Home / 15,672.26-21,627.76-8,598.74

Finding the Fourth Proportional to 15,672.26, 21,627.76 and 8,598.74

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Solution

The fourth proportional to 15,672.26, 21,627.76 and 8,598.74 is: 11,866.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.26 : 21,627.76 = 8,598.74 : x
  2. Step 2: Convert to fraction form
    15,672.26/21,627.76 = 8,598.74/x
  3. Step 3: Cross multiply
    15,672.26x = 21,627.76 × 8,598.74
  4. Step 4: Simplify right side
    15,672.26x = 185,971,485.02
  5. Step 5: Solve for x
    x = 185,971,485.02/15,672.26
  6. Step 6: Final answer
    x = 11,866.28

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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.