Home / 15,580.56-23,370.86-12,343.80

Finding the Fourth Proportional to 15,580.56, 23,370.86 and 12,343.80

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Solution

The fourth proportional to 15,580.56, 23,370.86 and 12,343.80 is: 18,515.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,580.56 : 23,370.86 = 12,343.80 : x
  2. Step 2: Convert to fraction form
    15,580.56/23,370.86 = 12,343.80/x
  3. Step 3: Cross multiply
    15,580.56x = 23,370.86 × 12,343.80
  4. Step 4: Simplify right side
    15,580.56x = 288,485,159.95
  5. Step 5: Solve for x
    x = 288,485,159.95/15,580.56
  6. Step 6: Final answer
    x = 18,515.71

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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.