Home / 16,985.85-23,440.69-9,432.66

Finding the Fourth Proportional to 16,985.85, 23,440.69 and 9,432.66

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Solution

The fourth proportional to 16,985.85, 23,440.69 and 9,432.66 is: 13,017.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.85 : 23,440.69 = 9,432.66 : x
  2. Step 2: Convert to fraction form
    16,985.85/23,440.69 = 9,432.66/x
  3. Step 3: Cross multiply
    16,985.85x = 23,440.69 × 9,432.66
  4. Step 4: Simplify right side
    16,985.85x = 221,107,982.82
  5. Step 5: Solve for x
    x = 221,107,982.82/16,985.85
  6. Step 6: Final answer
    x = 13,017.19

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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.