Home / 9,219.84-12,718.53-6,236.69

Finding the Fourth Proportional to 9,219.84, 12,718.53 and 6,236.69

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Solution

The fourth proportional to 9,219.84, 12,718.53 and 6,236.69 is: 8,603.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.84 : 12,718.53 = 6,236.69 : x
  2. Step 2: Convert to fraction form
    9,219.84/12,718.53 = 6,236.69/x
  3. Step 3: Cross multiply
    9,219.84x = 12,718.53 × 6,236.69
  4. Step 4: Simplify right side
    9,219.84x = 79,321,465.27
  5. Step 5: Solve for x
    x = 79,321,465.27/9,219.84
  6. Step 6: Final answer
    x = 8,603.35

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.