Home / 10,999.76-15,177.56-6,527.48

Finding the Fourth Proportional to 10,999.76, 15,177.56 and 6,527.48

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Solution

The fourth proportional to 10,999.76, 15,177.56 and 6,527.48 is: 9,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,999.76 : 15,177.56 = 6,527.48 : x
  2. Step 2: Convert to fraction form
    10,999.76/15,177.56 = 6,527.48/x
  3. Step 3: Cross multiply
    10,999.76x = 15,177.56 × 6,527.48
  4. Step 4: Simplify right side
    10,999.76x = 99,071,224.66
  5. Step 5: Solve for x
    x = 99,071,224.66/10,999.76
  6. Step 6: Final answer
    x = 9,006.67

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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.