Home / 12,557.66-17,324.55-7,522.16

Finding the Fourth Proportional to 12,557.66, 17,324.55 and 7,522.16

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Solution

The fourth proportional to 12,557.66, 17,324.55 and 7,522.16 is: 10,377.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.66 : 17,324.55 = 7,522.16 : x
  2. Step 2: Convert to fraction form
    12,557.66/17,324.55 = 7,522.16/x
  3. Step 3: Cross multiply
    12,557.66x = 17,324.55 × 7,522.16
  4. Step 4: Simplify right side
    12,557.66x = 130,317,950.41
  5. Step 5: Solve for x
    x = 130,317,950.41/12,557.66
  6. Step 6: Final answer
    x = 10,377.57

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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.