Home / 22,510.53-31,064.40-12,439.35

Finding the Fourth Proportional to 22,510.53, 31,064.40 and 12,439.35

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Solution

The fourth proportional to 22,510.53, 31,064.40 and 12,439.35 is: 17,166.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,510.53 : 31,064.40 = 12,439.35 : x
  2. Step 2: Convert to fraction form
    22,510.53/31,064.40 = 12,439.35/x
  3. Step 3: Cross multiply
    22,510.53x = 31,064.40 × 12,439.35
  4. Step 4: Simplify right side
    22,510.53x = 386,420,944.14
  5. Step 5: Solve for x
    x = 386,420,944.14/22,510.53
  6. Step 6: Final answer
    x = 17,166.23

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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.