Home / 22,510.24-31,057.81-12,949.63

Finding the Fourth Proportional to 22,510.24, 31,057.81 and 12,949.63

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Solution

The fourth proportional to 22,510.24, 31,057.81 and 12,949.63 is: 17,866.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.24 : 31,057.81 = 12,949.63 : x
  2. Step 2: Convert to fraction form
    22,510.24/31,057.81 = 12,949.63/x
  3. Step 3: Cross multiply
    22,510.24x = 31,057.81 × 12,949.63
  4. Step 4: Simplify right side
    22,510.24x = 402,187,148.11
  5. Step 5: Solve for x
    x = 402,187,148.11/22,510.24
  6. Step 6: Final answer
    x = 17,866.85

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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.