Home / 15,340.20-23,008.95-4,245.90

Finding the Fourth Proportional to 15,340.20, 23,008.95 and 4,245.90

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Solution

The fourth proportional to 15,340.20, 23,008.95 and 4,245.90 is: 6,368.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.20 : 23,008.95 = 4,245.90 : x
  2. Step 2: Convert to fraction form
    15,340.20/23,008.95 = 4,245.90/x
  3. Step 3: Cross multiply
    15,340.20x = 23,008.95 × 4,245.90
  4. Step 4: Simplify right side
    15,340.20x = 97,693,700.81
  5. Step 5: Solve for x
    x = 97,693,700.81/15,340.20
  6. Step 6: Final answer
    x = 6,368.48

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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.