Home / 10,393.11-14,342.67-5,678.10

Finding the Fourth Proportional to 10,393.11, 14,342.67 and 5,678.10

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Solution

The fourth proportional to 10,393.11, 14,342.67 and 5,678.10 is: 7,835.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.11 : 14,342.67 = 5,678.10 : x
  2. Step 2: Convert to fraction form
    10,393.11/14,342.67 = 5,678.10/x
  3. Step 3: Cross multiply
    10,393.11x = 14,342.67 × 5,678.10
  4. Step 4: Simplify right side
    10,393.11x = 81,439,114.53
  5. Step 5: Solve for x
    x = 81,439,114.53/10,393.11
  6. Step 6: Final answer
    x = 7,835.88

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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.