Home / 13,507.52-20,261.10-6,930.14

Finding the Fourth Proportional to 13,507.52, 20,261.10 and 6,930.14

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Solution

The fourth proportional to 13,507.52, 20,261.10 and 6,930.14 is: 10,395.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.52 : 20,261.10 = 6,930.14 : x
  2. Step 2: Convert to fraction form
    13,507.52/20,261.10 = 6,930.14/x
  3. Step 3: Cross multiply
    13,507.52x = 20,261.10 × 6,930.14
  4. Step 4: Simplify right side
    13,507.52x = 140,412,259.55
  5. Step 5: Solve for x
    x = 140,412,259.55/13,507.52
  6. Step 6: Final answer
    x = 10,395.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.