Home / 22,581.96-31,163.99-12,510.21

Finding the Fourth Proportional to 22,581.96, 31,163.99 and 12,510.21

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Solution

The fourth proportional to 22,581.96, 31,163.99 and 12,510.21 is: 17,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,581.96 : 31,163.99 = 12,510.21 : x
  2. Step 2: Convert to fraction form
    22,581.96/31,163.99 = 12,510.21/x
  3. Step 3: Cross multiply
    22,581.96x = 31,163.99 × 12,510.21
  4. Step 4: Simplify right side
    22,581.96x = 389,868,059.34
  5. Step 5: Solve for x
    x = 389,868,059.34/22,581.96
  6. Step 6: Final answer
    x = 17,264.58

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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.