Home / 13,342.16-18,414.12-7,756.24

Finding the Fourth Proportional to 13,342.16, 18,414.12 and 7,756.24

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Solution

The fourth proportional to 13,342.16, 18,414.12 and 7,756.24 is: 10,704.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.16 : 18,414.12 = 7,756.24 : x
  2. Step 2: Convert to fraction form
    13,342.16/18,414.12 = 7,756.24/x
  3. Step 3: Cross multiply
    13,342.16x = 18,414.12 × 7,756.24
  4. Step 4: Simplify right side
    13,342.16x = 142,824,334.11
  5. Step 5: Solve for x
    x = 142,824,334.11/13,342.16
  6. Step 6: Final answer
    x = 10,704.74

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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.