Home / 15,587.06-23,405.12-12,314.79

Finding the Fourth Proportional to 15,587.06, 23,405.12 and 12,314.79

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Solution

The fourth proportional to 15,587.06, 23,405.12 and 12,314.79 is: 18,491.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,587.06 : 23,405.12 = 12,314.79 : x
  2. Step 2: Convert to fraction form
    15,587.06/23,405.12 = 12,314.79/x
  3. Step 3: Cross multiply
    15,587.06x = 23,405.12 × 12,314.79
  4. Step 4: Simplify right side
    15,587.06x = 288,229,076.15
  5. Step 5: Solve for x
    x = 288,229,076.15/15,587.06
  6. Step 6: Final answer
    x = 18,491.57

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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.