Home / 16,948.30-23,385.21-10,979.14

Finding the Fourth Proportional to 16,948.30, 23,385.21 and 10,979.14

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Solution

The fourth proportional to 16,948.30, 23,385.21 and 10,979.14 is: 15,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.30 : 23,385.21 = 10,979.14 : x
  2. Step 2: Convert to fraction form
    16,948.30/23,385.21 = 10,979.14/x
  3. Step 3: Cross multiply
    16,948.30x = 23,385.21 × 10,979.14
  4. Step 4: Simplify right side
    16,948.30x = 256,749,494.52
  5. Step 5: Solve for x
    x = 256,749,494.52/16,948.30
  6. Step 6: Final answer
    x = 15,148.98

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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.