Home / 15,378.12-23,070.78-6,613.92

Finding the Fourth Proportional to 15,378.12, 23,070.78 and 6,613.92

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Solution

The fourth proportional to 15,378.12, 23,070.78 and 6,613.92 is: 9,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.12 : 23,070.78 = 6,613.92 : x
  2. Step 2: Convert to fraction form
    15,378.12/23,070.78 = 6,613.92/x
  3. Step 3: Cross multiply
    15,378.12x = 23,070.78 × 6,613.92
  4. Step 4: Simplify right side
    15,378.12x = 152,588,293.26
  5. Step 5: Solve for x
    x = 152,588,293.26/15,378.12
  6. Step 6: Final answer
    x = 9,922.43

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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.