Home / 13,309.23-18,367.20-7,341.12

Finding the Fourth Proportional to 13,309.23, 18,367.20 and 7,341.12

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Solution

The fourth proportional to 13,309.23, 18,367.20 and 7,341.12 is: 10,131.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.23 : 18,367.20 = 7,341.12 : x
  2. Step 2: Convert to fraction form
    13,309.23/18,367.20 = 7,341.12/x
  3. Step 3: Cross multiply
    13,309.23x = 18,367.20 × 7,341.12
  4. Step 4: Simplify right side
    13,309.23x = 134,835,819.26
  5. Step 5: Solve for x
    x = 134,835,819.26/13,309.23
  6. Step 6: Final answer
    x = 10,131.00

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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.