Home / 11,354.32-17,031.40-4,428.82

Finding the Fourth Proportional to 11,354.32, 17,031.40 and 4,428.82

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Solution

The fourth proportional to 11,354.32, 17,031.40 and 4,428.82 is: 6,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.32 : 17,031.40 = 4,428.82 : x
  2. Step 2: Convert to fraction form
    11,354.32/17,031.40 = 4,428.82/x
  3. Step 3: Cross multiply
    11,354.32x = 17,031.40 × 4,428.82
  4. Step 4: Simplify right side
    11,354.32x = 75,429,004.95
  5. Step 5: Solve for x
    x = 75,429,004.95/11,354.32
  6. Step 6: Final answer
    x = 6,643.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.