Home / 22,475.43-31,015.04-12,908.59

Finding the Fourth Proportional to 22,475.43, 31,015.04 and 12,908.59

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Solution

The fourth proportional to 22,475.43, 31,015.04 and 12,908.59 is: 17,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,475.43 : 31,015.04 = 12,908.59 : x
  2. Step 2: Convert to fraction form
    22,475.43/31,015.04 = 12,908.59/x
  3. Step 3: Cross multiply
    22,475.43x = 31,015.04 × 12,908.59
  4. Step 4: Simplify right side
    22,475.43x = 400,360,389.93
  5. Step 5: Solve for x
    x = 400,360,389.93/22,475.43
  6. Step 6: Final answer
    x = 17,813.25

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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.