Home / 22,420.75-30,930.24-14,465.53

Finding the Fourth Proportional to 22,420.75, 30,930.24 and 14,465.53

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Solution

The fourth proportional to 22,420.75, 30,930.24 and 14,465.53 is: 19,955.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,420.75 : 30,930.24 = 14,465.53 : x
  2. Step 2: Convert to fraction form
    22,420.75/30,930.24 = 14,465.53/x
  3. Step 3: Cross multiply
    22,420.75x = 30,930.24 × 14,465.53
  4. Step 4: Simplify right side
    22,420.75x = 447,422,314.63
  5. Step 5: Solve for x
    x = 447,422,314.63/22,420.75
  6. Step 6: Final answer
    x = 19,955.72

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Half scale
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Double scale
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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.