Home / 11,501.60-17,254.80-3,711.20

Finding the Fourth Proportional to 11,501.60, 17,254.80 and 3,711.20

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Solution

The fourth proportional to 11,501.60, 17,254.80 and 3,711.20 is: 5,567.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,501.60 : 17,254.80 = 3,711.20 : x
  2. Step 2: Convert to fraction form
    11,501.60/17,254.80 = 3,711.20/x
  3. Step 3: Cross multiply
    11,501.60x = 17,254.80 × 3,711.20
  4. Step 4: Simplify right side
    11,501.60x = 64,036,013.76
  5. Step 5: Solve for x
    x = 64,036,013.76/11,501.60
  6. Step 6: Final answer
    x = 5,567.57

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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.