Home / 10,437.39-15,656.07-3,511.89

Finding the Fourth Proportional to 10,437.39, 15,656.07 and 3,511.89

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Solution

The fourth proportional to 10,437.39, 15,656.07 and 3,511.89 is: 5,267.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,437.39 : 15,656.07 = 3,511.89 : x
  2. Step 2: Convert to fraction form
    10,437.39/15,656.07 = 3,511.89/x
  3. Step 3: Cross multiply
    10,437.39x = 15,656.07 × 3,511.89
  4. Step 4: Simplify right side
    10,437.39x = 54,982,395.67
  5. Step 5: Solve for x
    x = 54,982,395.67/10,437.39
  6. Step 6: Final answer
    x = 5,267.83

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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.