Home / 23,151.06-31,962.18-15,207.18

Finding the Fourth Proportional to 23,151.06, 31,962.18 and 15,207.18

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Solution

The fourth proportional to 23,151.06, 31,962.18 and 15,207.18 is: 20,994.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,151.06 : 31,962.18 = 15,207.18 : x
  2. Step 2: Convert to fraction form
    23,151.06/31,962.18 = 15,207.18/x
  3. Step 3: Cross multiply
    23,151.06x = 31,962.18 × 15,207.18
  4. Step 4: Simplify right side
    23,151.06x = 486,054,624.45
  5. Step 5: Solve for x
    x = 486,054,624.45/23,151.06
  6. Step 6: Final answer
    x = 20,994.92

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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.