Home / 10,277.55-14,179.56-6,690.87

Finding the Fourth Proportional to 10,277.55, 14,179.56 and 6,690.87

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Solution

The fourth proportional to 10,277.55, 14,179.56 and 6,690.87 is: 9,231.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,277.55 : 14,179.56 = 6,690.87 : x
  2. Step 2: Convert to fraction form
    10,277.55/14,179.56 = 6,690.87/x
  3. Step 3: Cross multiply
    10,277.55x = 14,179.56 × 6,690.87
  4. Step 4: Simplify right side
    10,277.55x = 94,873,567.53
  5. Step 5: Solve for x
    x = 94,873,567.53/10,277.55
  6. Step 6: Final answer
    x = 9,231.15

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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.