Home / 16,930.19-23,363.61-9,478.19

Finding the Fourth Proportional to 16,930.19, 23,363.61 and 9,478.19

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Solution

The fourth proportional to 16,930.19, 23,363.61 and 9,478.19 is: 13,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,930.19 : 23,363.61 = 9,478.19 : x
  2. Step 2: Convert to fraction form
    16,930.19/23,363.61 = 9,478.19/x
  3. Step 3: Cross multiply
    16,930.19x = 23,363.61 × 9,478.19
  4. Step 4: Simplify right side
    16,930.19x = 221,444,734.67
  5. Step 5: Solve for x
    x = 221,444,734.67/16,930.19
  6. Step 6: Final answer
    x = 13,079.87

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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.