Home / 17,938.20-24,756.90-10,864.44

Finding the Fourth Proportional to 17,938.20, 24,756.90 and 10,864.44

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Solution

The fourth proportional to 17,938.20, 24,756.90 and 10,864.44 is: 14,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,938.20 : 24,756.90 = 10,864.44 : x
  2. Step 2: Convert to fraction form
    17,938.20/24,756.90 = 10,864.44/x
  3. Step 3: Cross multiply
    17,938.20x = 24,756.90 × 10,864.44
  4. Step 4: Simplify right side
    17,938.20x = 268,969,854.64
  5. Step 5: Solve for x
    x = 268,969,854.64/17,938.20
  6. Step 6: Final answer
    x = 14,994.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.