Home / 10,281.46-15,421.77-5,630.95

Finding the Fourth Proportional to 10,281.46, 15,421.77 and 5,630.95

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Solution

The fourth proportional to 10,281.46, 15,421.77 and 5,630.95 is: 8,446.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.46 : 15,421.77 = 5,630.95 : x
  2. Step 2: Convert to fraction form
    10,281.46/15,421.77 = 5,630.95/x
  3. Step 3: Cross multiply
    10,281.46x = 15,421.77 × 5,630.95
  4. Step 4: Simplify right side
    10,281.46x = 86,839,110.52
  5. Step 5: Solve for x
    x = 86,839,110.52/10,281.46
  6. Step 6: Final answer
    x = 8,446.18

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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.