Home / 16,859.72-23,265.18-9,306.06

Finding the Fourth Proportional to 16,859.72, 23,265.18 and 9,306.06

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Solution

The fourth proportional to 16,859.72, 23,265.18 and 9,306.06 is: 12,841.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.72 : 23,265.18 = 9,306.06 : x
  2. Step 2: Convert to fraction form
    16,859.72/23,265.18 = 9,306.06/x
  3. Step 3: Cross multiply
    16,859.72x = 23,265.18 × 9,306.06
  4. Step 4: Simplify right side
    16,859.72x = 216,507,160.99
  5. Step 5: Solve for x
    x = 216,507,160.99/16,859.72
  6. Step 6: Final answer
    x = 12,841.69

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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.