Home / 16,959.20-23,383.35-10,988.69

Finding the Fourth Proportional to 16,959.20, 23,383.35 and 10,988.69

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Solution

The fourth proportional to 16,959.20, 23,383.35 and 10,988.69 is: 15,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.20 : 23,383.35 = 10,988.69 : x
  2. Step 2: Convert to fraction form
    16,959.20/23,383.35 = 10,988.69/x
  3. Step 3: Cross multiply
    16,959.20x = 23,383.35 × 10,988.69
  4. Step 4: Simplify right side
    16,959.20x = 256,952,267.39
  5. Step 5: Solve for x
    x = 256,952,267.39/16,959.20
  6. Step 6: Final answer
    x = 15,151.21

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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.