Home / 15,524.56-21,428.58-14,730.94

Finding the Fourth Proportional to 15,524.56, 21,428.58 and 14,730.94

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Solution

The fourth proportional to 15,524.56, 21,428.58 and 14,730.94 is: 20,333.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,524.56 : 21,428.58 = 14,730.94 : x
  2. Step 2: Convert to fraction form
    15,524.56/21,428.58 = 14,730.94/x
  3. Step 3: Cross multiply
    15,524.56x = 21,428.58 × 14,730.94
  4. Step 4: Simplify right side
    15,524.56x = 315,663,126.27
  5. Step 5: Solve for x
    x = 315,663,126.27/15,524.56
  6. Step 6: Final answer
    x = 20,333.14

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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.