Home / 10,723.40-16,079.70-6,342.20

Finding the Fourth Proportional to 10,723.40, 16,079.70 and 6,342.20

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Solution

The fourth proportional to 10,723.40, 16,079.70 and 6,342.20 is: 9,510.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,723.40 : 16,079.70 = 6,342.20 : x
  2. Step 2: Convert to fraction form
    10,723.40/16,079.70 = 6,342.20/x
  3. Step 3: Cross multiply
    10,723.40x = 16,079.70 × 6,342.20
  4. Step 4: Simplify right side
    10,723.40x = 101,980,673.34
  5. Step 5: Solve for x
    x = 101,980,673.34/10,723.40
  6. Step 6: Final answer
    x = 9,510.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.