Home / 18,358.47-27,518.76-7,260.66

Finding the Fourth Proportional to 18,358.47, 27,518.76 and 7,260.66

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Solution

The fourth proportional to 18,358.47, 27,518.76 and 7,260.66 is: 10,883.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,358.47 : 27,518.76 = 7,260.66 : x
  2. Step 2: Convert to fraction form
    18,358.47/27,518.76 = 7,260.66/x
  3. Step 3: Cross multiply
    18,358.47x = 27,518.76 × 7,260.66
  4. Step 4: Simplify right side
    18,358.47x = 199,804,359.98
  5. Step 5: Solve for x
    x = 199,804,359.98/18,358.47
  6. Step 6: Final answer
    x = 10,883.50

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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.