Home / 16,981.44-23,434.56-9,427.92

Finding the Fourth Proportional to 16,981.44, 23,434.56 and 9,427.92

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Solution

The fourth proportional to 16,981.44, 23,434.56 and 9,427.92 is: 13,010.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,981.44 : 23,434.56 = 9,427.92 : x
  2. Step 2: Convert to fraction form
    16,981.44/23,434.56 = 9,427.92/x
  3. Step 3: Cross multiply
    16,981.44x = 23,434.56 × 9,427.92
  4. Step 4: Simplify right side
    16,981.44x = 220,939,156.92
  5. Step 5: Solve for x
    x = 220,939,156.92/16,981.44
  6. Step 6: Final answer
    x = 13,010.63

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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.