Home / 13,114.55-18,097.36-7,449.16

Finding the Fourth Proportional to 13,114.55, 18,097.36 and 7,449.16

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Solution

The fourth proportional to 13,114.55, 18,097.36 and 7,449.16 is: 10,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.55 : 18,097.36 = 7,449.16 : x
  2. Step 2: Convert to fraction form
    13,114.55/18,097.36 = 7,449.16/x
  3. Step 3: Cross multiply
    13,114.55x = 18,097.36 × 7,449.16
  4. Step 4: Simplify right side
    13,114.55x = 134,810,130.22
  5. Step 5: Solve for x
    x = 134,810,130.22/13,114.55
  6. Step 6: Final answer
    x = 10,279.43

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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.