Home / 10,944.08-15,097.56-7,165.58

Finding the Fourth Proportional to 10,944.08, 15,097.56 and 7,165.58

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Solution

The fourth proportional to 10,944.08, 15,097.56 and 7,165.58 is: 9,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,944.08 : 15,097.56 = 7,165.58 : x
  2. Step 2: Convert to fraction form
    10,944.08/15,097.56 = 7,165.58/x
  3. Step 3: Cross multiply
    10,944.08x = 15,097.56 × 7,165.58
  4. Step 4: Simplify right side
    10,944.08x = 108,182,773.98
  5. Step 5: Solve for x
    x = 108,182,773.98/10,944.08
  6. Step 6: Final answer
    x = 9,885.05

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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.