Home / 15,115.84-22,559.45-14,722.18

Finding the Fourth Proportional to 15,115.84, 22,559.45 and 14,722.18

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Solution

The fourth proportional to 15,115.84, 22,559.45 and 14,722.18 is: 21,971.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.84 : 22,559.45 = 14,722.18 : x
  2. Step 2: Convert to fraction form
    15,115.84/22,559.45 = 14,722.18/x
  3. Step 3: Cross multiply
    15,115.84x = 22,559.45 × 14,722.18
  4. Step 4: Simplify right side
    15,115.84x = 332,124,227.20
  5. Step 5: Solve for x
    x = 332,124,227.20/15,115.84
  6. Step 6: Final answer
    x = 21,971.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.