Home / 12,247.56-18,277.38-10,935.36

Finding the Fourth Proportional to 12,247.56, 18,277.38 and 10,935.36

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Solution

The fourth proportional to 12,247.56, 18,277.38 and 10,935.36 is: 16,319.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.56 : 18,277.38 = 10,935.36 : x
  2. Step 2: Convert to fraction form
    12,247.56/18,277.38 = 10,935.36/x
  3. Step 3: Cross multiply
    12,247.56x = 18,277.38 × 10,935.36
  4. Step 4: Simplify right side
    12,247.56x = 199,869,730.16
  5. Step 5: Solve for x
    x = 199,869,730.16/12,247.56
  6. Step 6: Final answer
    x = 16,319.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.