Home / 15,474.24-21,354.88-8,401.10

Finding the Fourth Proportional to 15,474.24, 21,354.88 and 8,401.10

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Solution

The fourth proportional to 15,474.24, 21,354.88 and 8,401.10 is: 11,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,474.24 : 21,354.88 = 8,401.10 : x
  2. Step 2: Convert to fraction form
    15,474.24/21,354.88 = 8,401.10/x
  3. Step 3: Cross multiply
    15,474.24x = 21,354.88 × 8,401.10
  4. Step 4: Simplify right side
    15,474.24x = 179,404,482.37
  5. Step 5: Solve for x
    x = 179,404,482.37/15,474.24
  6. Step 6: Final answer
    x = 11,593.75

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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.