Home / 15,341.80-23,012.70-5,492.20

Finding the Fourth Proportional to 15,341.80, 23,012.70 and 5,492.20

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Solution

The fourth proportional to 15,341.80, 23,012.70 and 5,492.20 is: 8,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,341.80 : 23,012.70 = 5,492.20 : x
  2. Step 2: Convert to fraction form
    15,341.80/23,012.70 = 5,492.20/x
  3. Step 3: Cross multiply
    15,341.80x = 23,012.70 × 5,492.20
  4. Step 4: Simplify right side
    15,341.80x = 126,390,350.94
  5. Step 5: Solve for x
    x = 126,390,350.94/15,341.80
  6. Step 6: Final answer
    x = 8,238.30

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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.