Home / 10,167.63-15,251.29-2,772.23

Finding the Fourth Proportional to 10,167.63, 15,251.29 and 2,772.23

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Solution

The fourth proportional to 10,167.63, 15,251.29 and 2,772.23 is: 4,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.63 : 15,251.29 = 2,772.23 : x
  2. Step 2: Convert to fraction form
    10,167.63/15,251.29 = 2,772.23/x
  3. Step 3: Cross multiply
    10,167.63x = 15,251.29 × 2,772.23
  4. Step 4: Simplify right side
    10,167.63x = 42,280,000.49
  5. Step 5: Solve for x
    x = 42,280,000.49/10,167.63
  6. Step 6: Final answer
    x = 4,158.30

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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.