Home / 16,790.18-23,169.02-9,717.04

Finding the Fourth Proportional to 16,790.18, 23,169.02 and 9,717.04

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Solution

The fourth proportional to 16,790.18, 23,169.02 and 9,717.04 is: 13,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,790.18 : 23,169.02 = 9,717.04 : x
  2. Step 2: Convert to fraction form
    16,790.18/23,169.02 = 9,717.04/x
  3. Step 3: Cross multiply
    16,790.18x = 23,169.02 × 9,717.04
  4. Step 4: Simplify right side
    16,790.18x = 225,134,294.10
  5. Step 5: Solve for x
    x = 225,134,294.10/16,790.18
  6. Step 6: Final answer
    x = 13,408.69

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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.