Home / 10,088.16-15,121.04-7,614.96

Finding the Fourth Proportional to 10,088.16, 15,121.04 and 7,614.96

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Solution

The fourth proportional to 10,088.16, 15,121.04 and 7,614.96 is: 11,413.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.16 : 15,121.04 = 7,614.96 : x
  2. Step 2: Convert to fraction form
    10,088.16/15,121.04 = 7,614.96/x
  3. Step 3: Cross multiply
    10,088.16x = 15,121.04 × 7,614.96
  4. Step 4: Simplify right side
    10,088.16x = 115,146,114.76
  5. Step 5: Solve for x
    x = 115,146,114.76/10,088.16
  6. Step 6: Final answer
    x = 11,413.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.