Home / 18,331.35-25,260.98-13,011.27

Finding the Fourth Proportional to 18,331.35, 25,260.98 and 13,011.27

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Solution

The fourth proportional to 18,331.35, 25,260.98 and 13,011.27 is: 17,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331.35 : 25,260.98 = 13,011.27 : x
  2. Step 2: Convert to fraction form
    18,331.35/25,260.98 = 13,011.27/x
  3. Step 3: Cross multiply
    18,331.35x = 25,260.98 × 13,011.27
  4. Step 4: Simplify right side
    18,331.35x = 328,677,366.19
  5. Step 5: Solve for x
    x = 328,677,366.19/18,331.35
  6. Step 6: Final answer
    x = 17,929.80

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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.