Home / 10,260.05-15,390.19-2,864.06

Finding the Fourth Proportional to 10,260.05, 15,390.19 and 2,864.06

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Solution

The fourth proportional to 10,260.05, 15,390.19 and 2,864.06 is: 4,296.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.05 : 15,390.19 = 2,864.06 : x
  2. Step 2: Convert to fraction form
    10,260.05/15,390.19 = 2,864.06/x
  3. Step 3: Cross multiply
    10,260.05x = 15,390.19 × 2,864.06
  4. Step 4: Simplify right side
    10,260.05x = 44,078,427.57
  5. Step 5: Solve for x
    x = 44,078,427.57/10,260.05
  6. Step 6: Final answer
    x = 4,296.12

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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.