Home / 16,959.24-23,402.66-9,405.45

Finding the Fourth Proportional to 16,959.24, 23,402.66 and 9,405.45

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Solution

The fourth proportional to 16,959.24, 23,402.66 and 9,405.45 is: 12,978.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,959.24 : 23,402.66 = 9,405.45 : x
  2. Step 2: Convert to fraction form
    16,959.24/23,402.66 = 9,405.45/x
  3. Step 3: Cross multiply
    16,959.24x = 23,402.66 × 9,405.45
  4. Step 4: Simplify right side
    16,959.24x = 220,112,501.47
  5. Step 5: Solve for x
    x = 220,112,501.47/16,959.24
  6. Step 6: Final answer
    x = 12,978.91

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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.