Home / 10,263.40-14,162.71-6,720.46

Finding the Fourth Proportional to 10,263.40, 14,162.71 and 6,720.46

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Solution

The fourth proportional to 10,263.40, 14,162.71 and 6,720.46 is: 9,273.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,263.40 : 14,162.71 = 6,720.46 : x
  2. Step 2: Convert to fraction form
    10,263.40/14,162.71 = 6,720.46/x
  3. Step 3: Cross multiply
    10,263.40x = 14,162.71 × 6,720.46
  4. Step 4: Simplify right side
    10,263.40x = 95,179,926.05
  5. Step 5: Solve for x
    x = 95,179,926.05/10,263.40
  6. Step 6: Final answer
    x = 9,273.72

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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.