Home / 14,257.08-21,386.16-3,868.92

Finding the Fourth Proportional to 14,257.08, 21,386.16 and 3,868.92

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Solution

The fourth proportional to 14,257.08, 21,386.16 and 3,868.92 is: 5,803.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,257.08 : 21,386.16 = 3,868.92 : x
  2. Step 2: Convert to fraction form
    14,257.08/21,386.16 = 3,868.92/x
  3. Step 3: Cross multiply
    14,257.08x = 21,386.16 × 3,868.92
  4. Step 4: Simplify right side
    14,257.08x = 82,741,342.15
  5. Step 5: Solve for x
    x = 82,741,342.15/14,257.08
  6. Step 6: Final answer
    x = 5,803.53

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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.