Home / 10,223.75-14,108.41-5,686.40

Finding the Fourth Proportional to 10,223.75, 14,108.41 and 5,686.40

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Solution

The fourth proportional to 10,223.75, 14,108.41 and 5,686.40 is: 7,847.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,223.75 : 14,108.41 = 5,686.40 : x
  2. Step 2: Convert to fraction form
    10,223.75/14,108.41 = 5,686.40/x
  3. Step 3: Cross multiply
    10,223.75x = 14,108.41 × 5,686.40
  4. Step 4: Simplify right side
    10,223.75x = 80,226,034.19
  5. Step 5: Solve for x
    x = 80,226,034.19/10,223.75
  6. Step 6: Final answer
    x = 7,847.03

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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.