Home / 16,955.85-23,398.95-9,402.18

Finding the Fourth Proportional to 16,955.85, 23,398.95 and 9,402.18

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Solution

The fourth proportional to 16,955.85, 23,398.95 and 9,402.18 is: 12,974.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,955.85 : 23,398.95 = 9,402.18 : x
  2. Step 2: Convert to fraction form
    16,955.85/23,398.95 = 9,402.18/x
  3. Step 3: Cross multiply
    16,955.85x = 23,398.95 × 9,402.18
  4. Step 4: Simplify right side
    16,955.85x = 220,001,139.71
  5. Step 5: Solve for x
    x = 220,001,139.71/16,955.85
  6. Step 6: Final answer
    x = 12,974.94

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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.