Home / 15,523.28-21,426.62-10,146.53

Finding the Fourth Proportional to 15,523.28, 21,426.62 and 10,146.53

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Solution

The fourth proportional to 15,523.28, 21,426.62 and 10,146.53 is: 14,005.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,523.28 : 21,426.62 = 10,146.53 : x
  2. Step 2: Convert to fraction form
    15,523.28/21,426.62 = 10,146.53/x
  3. Step 3: Cross multiply
    15,523.28x = 21,426.62 × 10,146.53
  4. Step 4: Simplify right side
    15,523.28x = 217,405,845.46
  5. Step 5: Solve for x
    x = 217,405,845.46/15,523.28
  6. Step 6: Final answer
    x = 14,005.15

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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.