Home / 15,350.94-23,031.27-5,490

Finding the Fourth Proportional to 15,350.94, 23,031.27 and 5,490

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Solution

The fourth proportional to 15,350.94, 23,031.27 and 5,490 is: 8,236.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,350.94 : 23,031.27 = 5,490 : x
  2. Step 2: Convert to fraction form
    15,350.94/23,031.27 = 5,490/x
  3. Step 3: Cross multiply
    15,350.94x = 23,031.27 × 5,490
  4. Step 4: Simplify right side
    15,350.94x = 126,441,672.30
  5. Step 5: Solve for x
    x = 126,441,672.30/15,350.94
  6. Step 6: Final answer
    x = 8,236.74

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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.