Home / 15,613.91-23,419.93-4,520.35

Finding the Fourth Proportional to 15,613.91, 23,419.93 and 4,520.35

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Solution

The fourth proportional to 15,613.91, 23,419.93 and 4,520.35 is: 6,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,613.91 : 23,419.93 = 4,520.35 : x
  2. Step 2: Convert to fraction form
    15,613.91/23,419.93 = 4,520.35/x
  3. Step 3: Cross multiply
    15,613.91x = 23,419.93 × 4,520.35
  4. Step 4: Simplify right side
    15,613.91x = 105,866,280.58
  5. Step 5: Solve for x
    x = 105,866,280.58/15,613.91
  6. Step 6: Final answer
    x = 6,780.25

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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.