Home / 11,041.30-15,239.10-7,066.90

Finding the Fourth Proportional to 11,041.30, 15,239.10 and 7,066.90

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Solution

The fourth proportional to 11,041.30, 15,239.10 and 7,066.90 is: 9,753.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,041.30 : 15,239.10 = 7,066.90 : x
  2. Step 2: Convert to fraction form
    11,041.30/15,239.10 = 7,066.90/x
  3. Step 3: Cross multiply
    11,041.30x = 15,239.10 × 7,066.90
  4. Step 4: Simplify right side
    11,041.30x = 107,693,195.79
  5. Step 5: Solve for x
    x = 107,693,195.79/11,041.30
  6. Step 6: Final answer
    x = 9,753.67

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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.