Home / 12,510.30-17,244.21-8,475.90

Finding the Fourth Proportional to 12,510.30, 17,244.21 and 8,475.90

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Solution

The fourth proportional to 12,510.30, 17,244.21 and 8,475.90 is: 11,683.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,510.30 : 17,244.21 = 8,475.90 : x
  2. Step 2: Convert to fraction form
    12,510.30/17,244.21 = 8,475.90/x
  3. Step 3: Cross multiply
    12,510.30x = 17,244.21 × 8,475.90
  4. Step 4: Simplify right side
    12,510.30x = 146,160,118.98
  5. Step 5: Solve for x
    x = 146,160,118.98/12,510.30
  6. Step 6: Final answer
    x = 11,683.18

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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.