Home / 10,188.02-15,281.28-3,167.84

Finding the Fourth Proportional to 10,188.02, 15,281.28 and 3,167.84

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Solution

The fourth proportional to 10,188.02, 15,281.28 and 3,167.84 is: 4,751.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.02 : 15,281.28 = 3,167.84 : x
  2. Step 2: Convert to fraction form
    10,188.02/15,281.28 = 3,167.84/x
  3. Step 3: Cross multiply
    10,188.02x = 15,281.28 × 3,167.84
  4. Step 4: Simplify right side
    10,188.02x = 48,408,573.63
  5. Step 5: Solve for x
    x = 48,408,573.63/10,188.02
  6. Step 6: Final answer
    x = 4,751.52

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Similar ratio
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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.