Home / 10,338.60-14,266.18-6,146.28

Finding the Fourth Proportional to 10,338.60, 14,266.18 and 6,146.28

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Solution

The fourth proportional to 10,338.60, 14,266.18 and 6,146.28 is: 8,481.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,338.60 : 14,266.18 = 6,146.28 : x
  2. Step 2: Convert to fraction form
    10,338.60/14,266.18 = 6,146.28/x
  3. Step 3: Cross multiply
    10,338.60x = 14,266.18 × 6,146.28
  4. Step 4: Simplify right side
    10,338.60x = 87,683,936.81
  5. Step 5: Solve for x
    x = 87,683,936.81/10,338.60
  6. Step 6: Final answer
    x = 8,481.22

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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.