Home / 10,318.36-14,239.56-6,337.18

Finding the Fourth Proportional to 10,318.36, 14,239.56 and 6,337.18

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Solution

The fourth proportional to 10,318.36, 14,239.56 and 6,337.18 is: 8,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.36 : 14,239.56 = 6,337.18 : x
  2. Step 2: Convert to fraction form
    10,318.36/14,239.56 = 6,337.18/x
  3. Step 3: Cross multiply
    10,318.36x = 14,239.56 × 6,337.18
  4. Step 4: Simplify right side
    10,318.36x = 90,238,654.84
  5. Step 5: Solve for x
    x = 90,238,654.84/10,318.36
  6. Step 6: Final answer
    x = 8,745.45

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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.