Home / 9,019.14-12,445.58-5,039.70

Finding the Fourth Proportional to 9,019.14, 12,445.58 and 5,039.70

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Solution

The fourth proportional to 9,019.14, 12,445.58 and 5,039.70 is: 6,954.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,019.14 : 12,445.58 = 5,039.70 : x
  2. Step 2: Convert to fraction form
    9,019.14/12,445.58 = 5,039.70/x
  3. Step 3: Cross multiply
    9,019.14x = 12,445.58 × 5,039.70
  4. Step 4: Simplify right side
    9,019.14x = 62,721,989.53
  5. Step 5: Solve for x
    x = 62,721,989.53/9,019.14
  6. Step 6: Final answer
    x = 6,954.32

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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.