Home / 13,060.48-18,019.12-7,394.64

Finding the Fourth Proportional to 13,060.48, 18,019.12 and 7,394.64

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Solution

The fourth proportional to 13,060.48, 18,019.12 and 7,394.64 is: 10,202.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.48 : 18,019.12 = 7,394.64 : x
  2. Step 2: Convert to fraction form
    13,060.48/18,019.12 = 7,394.64/x
  3. Step 3: Cross multiply
    13,060.48x = 18,019.12 × 7,394.64
  4. Step 4: Simplify right side
    13,060.48x = 133,244,905.52
  5. Step 5: Solve for x
    x = 133,244,905.52/13,060.48
  6. Step 6: Final answer
    x = 10,202.14

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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.