Home / 10,088.24-15,130.76-6,379.28

Finding the Fourth Proportional to 10,088.24, 15,130.76 and 6,379.28

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Solution

The fourth proportional to 10,088.24, 15,130.76 and 6,379.28 is: 9,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,088.24 : 15,130.76 = 6,379.28 : x
  2. Step 2: Convert to fraction form
    10,088.24/15,130.76 = 6,379.28/x
  3. Step 3: Cross multiply
    10,088.24x = 15,130.76 × 6,379.28
  4. Step 4: Simplify right side
    10,088.24x = 96,523,354.65
  5. Step 5: Solve for x
    x = 96,523,354.65/10,088.24
  6. Step 6: Final answer
    x = 9,567.91

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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.