Home / 15,672.32-21,627.72-8,598.80

Finding the Fourth Proportional to 15,672.32, 21,627.72 and 8,598.80

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Solution

The fourth proportional to 15,672.32, 21,627.72 and 8,598.80 is: 11,866.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.32 : 21,627.72 = 8,598.80 : x
  2. Step 2: Convert to fraction form
    15,672.32/21,627.72 = 8,598.80/x
  3. Step 3: Cross multiply
    15,672.32x = 21,627.72 × 8,598.80
  4. Step 4: Simplify right side
    15,672.32x = 185,972,438.74
  5. Step 5: Solve for x
    x = 185,972,438.74/15,672.32
  6. Step 6: Final answer
    x = 11,866.30

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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.