Home / 18,626.15-25,703.02-10,242.65

Finding the Fourth Proportional to 18,626.15, 25,703.02 and 10,242.65

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Solution

The fourth proportional to 18,626.15, 25,703.02 and 10,242.65 is: 14,134.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,626.15 : 25,703.02 = 10,242.65 : x
  2. Step 2: Convert to fraction form
    18,626.15/25,703.02 = 10,242.65/x
  3. Step 3: Cross multiply
    18,626.15x = 25,703.02 × 10,242.65
  4. Step 4: Simplify right side
    18,626.15x = 263,267,114.86
  5. Step 5: Solve for x
    x = 263,267,114.86/18,626.15
  6. Step 6: Final answer
    x = 14,134.27

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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.