Home / 13,260.28-18,298.56-7,292.20

Finding the Fourth Proportional to 13,260.28, 18,298.56 and 7,292.20

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Solution

The fourth proportional to 13,260.28, 18,298.56 and 7,292.20 is: 10,062.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.28 : 18,298.56 = 7,292.20 : x
  2. Step 2: Convert to fraction form
    13,260.28/18,298.56 = 7,292.20/x
  3. Step 3: Cross multiply
    13,260.28x = 18,298.56 × 7,292.20
  4. Step 4: Simplify right side
    13,260.28x = 133,436,759.23
  5. Step 5: Solve for x
    x = 133,436,759.23/13,260.28
  6. Step 6: Final answer
    x = 10,062.89

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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.