Home / 10,626.27-15,939.81-5,426.07

Finding the Fourth Proportional to 10,626.27, 15,939.81 and 5,426.07

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Solution

The fourth proportional to 10,626.27, 15,939.81 and 5,426.07 is: 8,139.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.27 : 15,939.81 = 5,426.07 : x
  2. Step 2: Convert to fraction form
    10,626.27/15,939.81 = 5,426.07/x
  3. Step 3: Cross multiply
    10,626.27x = 15,939.81 × 5,426.07
  4. Step 4: Simplify right side
    10,626.27x = 86,490,524.85
  5. Step 5: Solve for x
    x = 86,490,524.85/10,626.27
  6. Step 6: Final answer
    x = 8,139.31

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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.