Home / 10,260.06-15,386.22-4,997.40

Finding the Fourth Proportional to 10,260.06, 15,386.22 and 4,997.40

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Solution

The fourth proportional to 10,260.06, 15,386.22 and 4,997.40 is: 7,494.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260.06 : 15,386.22 = 4,997.40 : x
  2. Step 2: Convert to fraction form
    10,260.06/15,386.22 = 4,997.40/x
  3. Step 3: Cross multiply
    10,260.06x = 15,386.22 × 4,997.40
  4. Step 4: Simplify right side
    10,260.06x = 76,891,095.83
  5. Step 5: Solve for x
    x = 76,891,095.83/10,260.06
  6. Step 6: Final answer
    x = 7,494.22

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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.