Home / 16,679.63-23,017.23-9,125.78

Finding the Fourth Proportional to 16,679.63, 23,017.23 and 9,125.78

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Solution

The fourth proportional to 16,679.63, 23,017.23 and 9,125.78 is: 12,593.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.63 : 23,017.23 = 9,125.78 : x
  2. Step 2: Convert to fraction form
    16,679.63/23,017.23 = 9,125.78/x
  3. Step 3: Cross multiply
    16,679.63x = 23,017.23 × 9,125.78
  4. Step 4: Simplify right side
    16,679.63x = 210,050,062.10
  5. Step 5: Solve for x
    x = 210,050,062.10/16,679.63
  6. Step 6: Final answer
    x = 12,593.21

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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.