Home / 14,398.86-21,549.52-8,855.72

Finding the Fourth Proportional to 14,398.86, 21,549.52 and 8,855.72

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Solution

The fourth proportional to 14,398.86, 21,549.52 and 8,855.72 is: 13,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,398.86 : 21,549.52 = 8,855.72 : x
  2. Step 2: Convert to fraction form
    14,398.86/21,549.52 = 8,855.72/x
  3. Step 3: Cross multiply
    14,398.86x = 21,549.52 × 8,855.72
  4. Step 4: Simplify right side
    14,398.86x = 190,836,515.25
  5. Step 5: Solve for x
    x = 190,836,515.25/14,398.86
  6. Step 6: Final answer
    x = 13,253.59

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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.