Home / 16,868.70-23,278.23-9,314.91

Finding the Fourth Proportional to 16,868.70, 23,278.23 and 9,314.91

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Solution

The fourth proportional to 16,868.70, 23,278.23 and 9,314.91 is: 12,854.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.70 : 23,278.23 = 9,314.91 : x
  2. Step 2: Convert to fraction form
    16,868.70/23,278.23 = 9,314.91/x
  3. Step 3: Cross multiply
    16,868.70x = 23,278.23 × 9,314.91
  4. Step 4: Simplify right side
    16,868.70x = 216,834,617.41
  5. Step 5: Solve for x
    x = 216,834,617.41/16,868.70
  6. Step 6: Final answer
    x = 12,854.26

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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.