Home / 10,030.62-13,842.22-5,554.66

Finding the Fourth Proportional to 10,030.62, 13,842.22 and 5,554.66

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Solution

The fourth proportional to 10,030.62, 13,842.22 and 5,554.66 is: 7,665.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,030.62 : 13,842.22 = 5,554.66 : x
  2. Step 2: Convert to fraction form
    10,030.62/13,842.22 = 5,554.66/x
  3. Step 3: Cross multiply
    10,030.62x = 13,842.22 × 5,554.66
  4. Step 4: Simplify right side
    10,030.62x = 76,888,825.75
  5. Step 5: Solve for x
    x = 76,888,825.75/10,030.62
  6. Step 6: Final answer
    x = 7,665.41

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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.