Home / 22,584.40-31,163.90-12,510.32

Finding the Fourth Proportional to 22,584.40, 31,163.90 and 12,510.32

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Solution

The fourth proportional to 22,584.40, 31,163.90 and 12,510.32 is: 17,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,584.40 : 31,163.90 = 12,510.32 : x
  2. Step 2: Convert to fraction form
    22,584.40/31,163.90 = 12,510.32/x
  3. Step 3: Cross multiply
    22,584.40x = 31,163.90 × 12,510.32
  4. Step 4: Simplify right side
    22,584.40x = 389,870,376.81
  5. Step 5: Solve for x
    x = 389,870,376.81/22,584.40
  6. Step 6: Final answer
    x = 17,262.82

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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.