Home / 12,500.91-17,243.30-9,510.21

Finding the Fourth Proportional to 12,500.91, 17,243.30 and 9,510.21

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Solution

The fourth proportional to 12,500.91, 17,243.30 and 9,510.21 is: 13,118.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.91 : 17,243.30 = 9,510.21 : x
  2. Step 2: Convert to fraction form
    12,500.91/17,243.30 = 9,510.21/x
  3. Step 3: Cross multiply
    12,500.91x = 17,243.30 × 9,510.21
  4. Step 4: Simplify right side
    12,500.91x = 163,987,427.87
  5. Step 5: Solve for x
    x = 163,987,427.87/12,500.91
  6. Step 6: Final answer
    x = 13,118.04

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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.