Home / 10,077.03-15,139.96-8,896.05

Finding the Fourth Proportional to 10,077.03, 15,139.96 and 8,896.05

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Solution

The fourth proportional to 10,077.03, 15,139.96 and 8,896.05 is: 13,365.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,077.03 : 15,139.96 = 8,896.05 : x
  2. Step 2: Convert to fraction form
    10,077.03/15,139.96 = 8,896.05/x
  3. Step 3: Cross multiply
    10,077.03x = 15,139.96 × 8,896.05
  4. Step 4: Simplify right side
    10,077.03x = 134,685,818.92
  5. Step 5: Solve for x
    x = 134,685,818.92/10,077.03
  6. Step 6: Final answer
    x = 13,365.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.