Home / 10,613.14-15,924.22-5,681.50

Finding the Fourth Proportional to 10,613.14, 15,924.22 and 5,681.50

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Solution

The fourth proportional to 10,613.14, 15,924.22 and 5,681.50 is: 8,524.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,613.14 : 15,924.22 = 5,681.50 : x
  2. Step 2: Convert to fraction form
    10,613.14/15,924.22 = 5,681.50/x
  3. Step 3: Cross multiply
    10,613.14x = 15,924.22 × 5,681.50
  4. Step 4: Simplify right side
    10,613.14x = 90,473,455.93
  5. Step 5: Solve for x
    x = 90,473,455.93/10,613.14
  6. Step 6: Final answer
    x = 8,524.66

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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.