Home / 10,440.28-14,413.51-6,613.03

Finding the Fourth Proportional to 10,440.28, 14,413.51 and 6,613.03

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Solution

The fourth proportional to 10,440.28, 14,413.51 and 6,613.03 is: 9,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,440.28 : 14,413.51 = 6,613.03 : x
  2. Step 2: Convert to fraction form
    10,440.28/14,413.51 = 6,613.03/x
  3. Step 3: Cross multiply
    10,440.28x = 14,413.51 × 6,613.03
  4. Step 4: Simplify right side
    10,440.28x = 95,316,974.04
  5. Step 5: Solve for x
    x = 95,316,974.04/10,440.28
  6. Step 6: Final answer
    x = 9,129.73

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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.