Home / 12,281.38-18,410.14-5,263.22

Finding the Fourth Proportional to 12,281.38, 18,410.14 and 5,263.22

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Solution

The fourth proportional to 12,281.38, 18,410.14 and 5,263.22 is: 7,889.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,281.38 : 18,410.14 = 5,263.22 : x
  2. Step 2: Convert to fraction form
    12,281.38/18,410.14 = 5,263.22/x
  3. Step 3: Cross multiply
    12,281.38x = 18,410.14 × 5,263.22
  4. Step 4: Simplify right side
    12,281.38x = 96,896,617.05
  5. Step 5: Solve for x
    x = 96,896,617.05/12,281.38
  6. Step 6: Final answer
    x = 7,889.72

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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.