Home / 10,275.18-14,185.86-6,744.58

Finding the Fourth Proportional to 10,275.18, 14,185.86 and 6,744.58

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Solution

The fourth proportional to 10,275.18, 14,185.86 and 6,744.58 is: 9,311.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.18 : 14,185.86 = 6,744.58 : x
  2. Step 2: Convert to fraction form
    10,275.18/14,185.86 = 6,744.58/x
  3. Step 3: Cross multiply
    10,275.18x = 14,185.86 × 6,744.58
  4. Step 4: Simplify right side
    10,275.18x = 95,677,667.64
  5. Step 5: Solve for x
    x = 95,677,667.64/10,275.18
  6. Step 6: Final answer
    x = 9,311.53

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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.