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Finding the Fourth Proportional to 10,008.88, 15,014.22 and 2,988.76

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Solution

The fourth proportional to 10,008.88, 15,014.22 and 2,988.76 is: 4,483.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,008.88 : 15,014.22 = 2,988.76 : x
  2. Step 2: Convert to fraction form
    10,008.88/15,014.22 = 2,988.76/x
  3. Step 3: Cross multiply
    10,008.88x = 15,014.22 × 2,988.76
  4. Step 4: Simplify right side
    10,008.88x = 44,873,900.17
  5. Step 5: Solve for x
    x = 44,873,900.17/10,008.88
  6. Step 6: Final answer
    x = 4,483.41

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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.