Home / 13,302.60-18,357.66-7,334.22

Finding the Fourth Proportional to 13,302.60, 18,357.66 and 7,334.22

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Solution

The fourth proportional to 13,302.60, 18,357.66 and 7,334.22 is: 10,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,302.60 : 18,357.66 = 7,334.22 : x
  2. Step 2: Convert to fraction form
    13,302.60/18,357.66 = 7,334.22/x
  3. Step 3: Cross multiply
    13,302.60x = 18,357.66 × 7,334.22
  4. Step 4: Simplify right side
    13,302.60x = 134,639,117.13
  5. Step 5: Solve for x
    x = 134,639,117.13/13,302.60
  6. Step 6: Final answer
    x = 10,121.26

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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.