Home / 15,604.47-21,532.56-8,888.70

Finding the Fourth Proportional to 15,604.47, 21,532.56 and 8,888.70

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Solution

The fourth proportional to 15,604.47, 21,532.56 and 8,888.70 is: 12,265.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,604.47 : 21,532.56 = 8,888.70 : x
  2. Step 2: Convert to fraction form
    15,604.47/21,532.56 = 8,888.70/x
  3. Step 3: Cross multiply
    15,604.47x = 21,532.56 × 8,888.70
  4. Step 4: Simplify right side
    15,604.47x = 191,396,466.07
  5. Step 5: Solve for x
    x = 191,396,466.07/15,604.47
  6. Step 6: Final answer
    x = 12,265.49

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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.