Home / 10,391.24-14,334.92-7,554.20

Finding the Fourth Proportional to 10,391.24, 14,334.92 and 7,554.20

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Solution

The fourth proportional to 10,391.24, 14,334.92 and 7,554.20 is: 10,421.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,391.24 : 14,334.92 = 7,554.20 : x
  2. Step 2: Convert to fraction form
    10,391.24/14,334.92 = 7,554.20/x
  3. Step 3: Cross multiply
    10,391.24x = 14,334.92 × 7,554.20
  4. Step 4: Simplify right side
    10,391.24x = 108,288,852.66
  5. Step 5: Solve for x
    x = 108,288,852.66/10,391.24
  6. Step 6: Final answer
    x = 10,421.17

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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.