Home / 10,098.28-15,130.62-3,520.84

Finding the Fourth Proportional to 10,098.28, 15,130.62 and 3,520.84

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Solution

The fourth proportional to 10,098.28, 15,130.62 and 3,520.84 is: 5,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,098.28 : 15,130.62 = 3,520.84 : x
  2. Step 2: Convert to fraction form
    10,098.28/15,130.62 = 3,520.84/x
  3. Step 3: Cross multiply
    10,098.28x = 15,130.62 × 3,520.84
  4. Step 4: Simplify right side
    10,098.28x = 53,272,492.12
  5. Step 5: Solve for x
    x = 53,272,492.12/10,098.28
  6. Step 6: Final answer
    x = 5,275.40

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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.