Home / 18,389.52-27,605.88-9,628.56

Finding the Fourth Proportional to 18,389.52, 27,605.88 and 9,628.56

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Solution

The fourth proportional to 18,389.52, 27,605.88 and 9,628.56 is: 14,454.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.52 : 27,605.88 = 9,628.56 : x
  2. Step 2: Convert to fraction form
    18,389.52/27,605.88 = 9,628.56/x
  3. Step 3: Cross multiply
    18,389.52x = 27,605.88 × 9,628.56
  4. Step 4: Simplify right side
    18,389.52x = 265,804,871.93
  5. Step 5: Solve for x
    x = 265,804,871.93/18,389.52
  6. Step 6: Final answer
    x = 14,454.15

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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.