Home / 22,488.36-31,033.80-12,416.72

Finding the Fourth Proportional to 22,488.36, 31,033.80 and 12,416.72

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Solution

The fourth proportional to 22,488.36, 31,033.80 and 12,416.72 is: 17,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,488.36 : 31,033.80 = 12,416.72 : x
  2. Step 2: Convert to fraction form
    22,488.36/31,033.80 = 12,416.72/x
  3. Step 3: Cross multiply
    22,488.36x = 31,033.80 × 12,416.72
  4. Step 4: Simplify right side
    22,488.36x = 385,337,849.97
  5. Step 5: Solve for x
    x = 385,337,849.97/22,488.36
  6. Step 6: Final answer
    x = 17,134.99

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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.