Home / 15,494.18-21,376.05-9,523.94

Finding the Fourth Proportional to 15,494.18, 21,376.05 and 9,523.94

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Solution

The fourth proportional to 15,494.18, 21,376.05 and 9,523.94 is: 13,139.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,494.18 : 21,376.05 = 9,523.94 : x
  2. Step 2: Convert to fraction form
    15,494.18/21,376.05 = 9,523.94/x
  3. Step 3: Cross multiply
    15,494.18x = 21,376.05 × 9,523.94
  4. Step 4: Simplify right side
    15,494.18x = 203,584,217.64
  5. Step 5: Solve for x
    x = 203,584,217.64/15,494.18
  6. Step 6: Final answer
    x = 13,139.40

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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.