Home / 10,410.74-15,590.16-8,687.06

Finding the Fourth Proportional to 10,410.74, 15,590.16 and 8,687.06

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Solution

The fourth proportional to 10,410.74, 15,590.16 and 8,687.06 is: 13,008.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,410.74 : 15,590.16 = 8,687.06 : x
  2. Step 2: Convert to fraction form
    10,410.74/15,590.16 = 8,687.06/x
  3. Step 3: Cross multiply
    10,410.74x = 15,590.16 × 8,687.06
  4. Step 4: Simplify right side
    10,410.74x = 135,432,655.33
  5. Step 5: Solve for x
    x = 135,432,655.33/10,410.74
  6. Step 6: Final answer
    x = 13,008.94

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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.