Home / 18,941.24-28,398.90-10,167.32

Finding the Fourth Proportional to 18,941.24, 28,398.90 and 10,167.32

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Solution

The fourth proportional to 18,941.24, 28,398.90 and 10,167.32 is: 15,244.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,941.24 : 28,398.90 = 10,167.32 : x
  2. Step 2: Convert to fraction form
    18,941.24/28,398.90 = 10,167.32/x
  3. Step 3: Cross multiply
    18,941.24x = 28,398.90 × 10,167.32
  4. Step 4: Simplify right side
    18,941.24x = 288,740,703.95
  5. Step 5: Solve for x
    x = 288,740,703.95/18,941.24
  6. Step 6: Final answer
    x = 15,244.02

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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.