Home / 13,549.55-18,697.23-7,883.19

Finding the Fourth Proportional to 13,549.55, 18,697.23 and 7,883.19

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Solution

The fourth proportional to 13,549.55, 18,697.23 and 7,883.19 is: 10,878.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,549.55 : 18,697.23 = 7,883.19 : x
  2. Step 2: Convert to fraction form
    13,549.55/18,697.23 = 7,883.19/x
  3. Step 3: Cross multiply
    13,549.55x = 18,697.23 × 7,883.19
  4. Step 4: Simplify right side
    13,549.55x = 147,393,816.56
  5. Step 5: Solve for x
    x = 147,393,816.56/13,549.55
  6. Step 6: Final answer
    x = 10,878.14

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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.