Home / 15,642.34-23,462.14-5,781.70

Finding the Fourth Proportional to 15,642.34, 23,462.14 and 5,781.70

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Solution

The fourth proportional to 15,642.34, 23,462.14 and 5,781.70 is: 8,672.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,642.34 : 23,462.14 = 5,781.70 : x
  2. Step 2: Convert to fraction form
    15,642.34/23,462.14 = 5,781.70/x
  3. Step 3: Cross multiply
    15,642.34x = 23,462.14 × 5,781.70
  4. Step 4: Simplify right side
    15,642.34x = 135,651,054.84
  5. Step 5: Solve for x
    x = 135,651,054.84/15,642.34
  6. Step 6: Final answer
    x = 8,672.04

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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.