Home / 10,907.68-15,052.08-6,191.32

Finding the Fourth Proportional to 10,907.68, 15,052.08 and 6,191.32

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Solution

The fourth proportional to 10,907.68, 15,052.08 and 6,191.32 is: 8,543.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.68 : 15,052.08 = 6,191.32 : x
  2. Step 2: Convert to fraction form
    10,907.68/15,052.08 = 6,191.32/x
  3. Step 3: Cross multiply
    10,907.68x = 15,052.08 × 6,191.32
  4. Step 4: Simplify right side
    10,907.68x = 93,192,243.95
  5. Step 5: Solve for x
    x = 93,192,243.95/10,907.68
  6. Step 6: Final answer
    x = 8,543.73

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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.