Home / 18,260.49-27,386.55-5,114.19

Finding the Fourth Proportional to 18,260.49, 27,386.55 and 5,114.19

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Solution

The fourth proportional to 18,260.49, 27,386.55 and 5,114.19 is: 7,670.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,260.49 : 27,386.55 = 5,114.19 : x
  2. Step 2: Convert to fraction form
    18,260.49/27,386.55 = 5,114.19/x
  3. Step 3: Cross multiply
    18,260.49x = 27,386.55 × 5,114.19
  4. Step 4: Simplify right side
    18,260.49x = 140,060,020.14
  5. Step 5: Solve for x
    x = 140,060,020.14/18,260.49
  6. Step 6: Final answer
    x = 7,670.11

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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.