Home / 10,988.56-15,165.76-6,273.12

Finding the Fourth Proportional to 10,988.56, 15,165.76 and 6,273.12

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Solution

The fourth proportional to 10,988.56, 15,165.76 and 6,273.12 is: 8,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.56 : 15,165.76 = 6,273.12 : x
  2. Step 2: Convert to fraction form
    10,988.56/15,165.76 = 6,273.12/x
  3. Step 3: Cross multiply
    10,988.56x = 15,165.76 × 6,273.12
  4. Step 4: Simplify right side
    10,988.56x = 95,136,632.37
  5. Step 5: Solve for x
    x = 95,136,632.37/10,988.56
  6. Step 6: Final answer
    x = 8,657.79

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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.