Home / 11,000.40-15,188.04-7,026.89

Finding the Fourth Proportional to 11,000.40, 15,188.04 and 7,026.89

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Solution

The fourth proportional to 11,000.40, 15,188.04 and 7,026.89 is: 9,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,000.40 : 15,188.04 = 7,026.89 : x
  2. Step 2: Convert to fraction form
    11,000.40/15,188.04 = 7,026.89/x
  3. Step 3: Cross multiply
    11,000.40x = 15,188.04 × 7,026.89
  4. Step 4: Simplify right side
    11,000.40x = 106,724,610.46
  5. Step 5: Solve for x
    x = 106,724,610.46/11,000.40
  6. Step 6: Final answer
    x = 9,701.88

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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.