Home / 10,065.30-13,890.24-5,589.33

Finding the Fourth Proportional to 10,065.30, 13,890.24 and 5,589.33

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Solution

The fourth proportional to 10,065.30, 13,890.24 and 5,589.33 is: 7,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,065.30 : 13,890.24 = 5,589.33 : x
  2. Step 2: Convert to fraction form
    10,065.30/13,890.24 = 5,589.33/x
  3. Step 3: Cross multiply
    10,065.30x = 13,890.24 × 5,589.33
  4. Step 4: Simplify right side
    10,065.30x = 77,637,135.14
  5. Step 5: Solve for x
    x = 77,637,135.14/10,065.30
  6. Step 6: Final answer
    x = 7,713.35

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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.