Home / 13,452.94-18,564.15-7,484.20

Finding the Fourth Proportional to 13,452.94, 18,564.15 and 7,484.20

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Solution

The fourth proportional to 13,452.94, 18,564.15 and 7,484.20 is: 10,327.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,452.94 : 18,564.15 = 7,484.20 : x
  2. Step 2: Convert to fraction form
    13,452.94/18,564.15 = 7,484.20/x
  3. Step 3: Cross multiply
    13,452.94x = 18,564.15 × 7,484.20
  4. Step 4: Simplify right side
    13,452.94x = 138,937,811.43
  5. Step 5: Solve for x
    x = 138,937,811.43/13,452.94
  6. Step 6: Final answer
    x = 10,327.69

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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.