Home / 12,756.32-17,597.60-10,984.85

Finding the Fourth Proportional to 12,756.32, 17,597.60 and 10,984.85

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Solution

The fourth proportional to 12,756.32, 17,597.60 and 10,984.85 is: 15,153.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,756.32 : 17,597.60 = 10,984.85 : x
  2. Step 2: Convert to fraction form
    12,756.32/17,597.60 = 10,984.85/x
  3. Step 3: Cross multiply
    12,756.32x = 17,597.60 × 10,984.85
  4. Step 4: Simplify right side
    12,756.32x = 193,306,985.43
  5. Step 5: Solve for x
    x = 193,306,985.43/12,756.32
  6. Step 6: Final answer
    x = 15,153.82

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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.