Home / 10,312.15-15,468.47-2,521.03

Finding the Fourth Proportional to 10,312.15, 15,468.47 and 2,521.03

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Solution

The fourth proportional to 10,312.15, 15,468.47 and 2,521.03 is: 3,781.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.15 : 15,468.47 = 2,521.03 : x
  2. Step 2: Convert to fraction form
    10,312.15/15,468.47 = 2,521.03/x
  3. Step 3: Cross multiply
    10,312.15x = 15,468.47 × 2,521.03
  4. Step 4: Simplify right side
    10,312.15x = 38,996,476.92
  5. Step 5: Solve for x
    x = 38,996,476.92/10,312.15
  6. Step 6: Final answer
    x = 3,781.60

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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.