Home / 13,484.27-18,608.73-7,517.20

Finding the Fourth Proportional to 13,484.27, 18,608.73 and 7,517.20

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Solution

The fourth proportional to 13,484.27, 18,608.73 and 7,517.20 is: 10,373.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.27 : 18,608.73 = 7,517.20 : x
  2. Step 2: Convert to fraction form
    13,484.27/18,608.73 = 7,517.20/x
  3. Step 3: Cross multiply
    13,484.27x = 18,608.73 × 7,517.20
  4. Step 4: Simplify right side
    13,484.27x = 139,885,545.16
  5. Step 5: Solve for x
    x = 139,885,545.16/13,484.27
  6. Step 6: Final answer
    x = 10,373.98

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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.