Home / 15,239.74-22,864.80-8,220.41

Finding the Fourth Proportional to 15,239.74, 22,864.80 and 8,220.41

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Solution

The fourth proportional to 15,239.74, 22,864.80 and 8,220.41 is: 12,333.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,239.74 : 22,864.80 = 8,220.41 : x
  2. Step 2: Convert to fraction form
    15,239.74/22,864.80 = 8,220.41/x
  3. Step 3: Cross multiply
    15,239.74x = 22,864.80 × 8,220.41
  4. Step 4: Simplify right side
    15,239.74x = 187,958,030.57
  5. Step 5: Solve for x
    x = 187,958,030.57/15,239.74
  6. Step 6: Final answer
    x = 12,333.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.