Home / 17,939.63-24,756.19-9,981.70

Finding the Fourth Proportional to 17,939.63, 24,756.19 and 9,981.70

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Solution

The fourth proportional to 17,939.63, 24,756.19 and 9,981.70 is: 13,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,939.63 : 24,756.19 = 9,981.70 : x
  2. Step 2: Convert to fraction form
    17,939.63/24,756.19 = 9,981.70/x
  3. Step 3: Cross multiply
    17,939.63x = 24,756.19 × 9,981.70
  4. Step 4: Simplify right side
    17,939.63x = 247,108,861.72
  5. Step 5: Solve for x
    x = 247,108,861.72/17,939.63
  6. Step 6: Final answer
    x = 13,774.47

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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.