Home / 10,281.54-15,423.40-3,262.55

Finding the Fourth Proportional to 10,281.54, 15,423.40 and 3,262.55

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Solution

The fourth proportional to 10,281.54, 15,423.40 and 3,262.55 is: 4,894.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.54 : 15,423.40 = 3,262.55 : x
  2. Step 2: Convert to fraction form
    10,281.54/15,423.40 = 3,262.55/x
  3. Step 3: Cross multiply
    10,281.54x = 15,423.40 × 3,262.55
  4. Step 4: Simplify right side
    10,281.54x = 50,319,613.67
  5. Step 5: Solve for x
    x = 50,319,613.67/10,281.54
  6. Step 6: Final answer
    x = 4,894.17

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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.