Home / 10,379.68-15,560.80-7,088.16

Finding the Fourth Proportional to 10,379.68, 15,560.80 and 7,088.16

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Solution

The fourth proportional to 10,379.68, 15,560.80 and 7,088.16 is: 10,626.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,379.68 : 15,560.80 = 7,088.16 : x
  2. Step 2: Convert to fraction form
    10,379.68/15,560.80 = 7,088.16/x
  3. Step 3: Cross multiply
    10,379.68x = 15,560.80 × 7,088.16
  4. Step 4: Simplify right side
    10,379.68x = 110,297,440.13
  5. Step 5: Solve for x
    x = 110,297,440.13/10,379.68
  6. Step 6: Final answer
    x = 10,626.29

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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.