Home / 13,354.23-20,031.36-3,492.48

Finding the Fourth Proportional to 13,354.23, 20,031.36 and 3,492.48

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Solution

The fourth proportional to 13,354.23, 20,031.36 and 3,492.48 is: 5,238.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,354.23 : 20,031.36 = 3,492.48 : x
  2. Step 2: Convert to fraction form
    13,354.23/20,031.36 = 3,492.48/x
  3. Step 3: Cross multiply
    13,354.23x = 20,031.36 × 3,492.48
  4. Step 4: Simplify right side
    13,354.23x = 69,959,124.17
  5. Step 5: Solve for x
    x = 69,959,124.17/13,354.23
  6. Step 6: Final answer
    x = 5,238.72

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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.