Home / 14,148.30-21,208.05-8,301.90

Finding the Fourth Proportional to 14,148.30, 21,208.05 and 8,301.90

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Solution

The fourth proportional to 14,148.30, 21,208.05 and 8,301.90 is: 12,444.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.30 : 21,208.05 = 8,301.90 : x
  2. Step 2: Convert to fraction form
    14,148.30/21,208.05 = 8,301.90/x
  3. Step 3: Cross multiply
    14,148.30x = 21,208.05 × 8,301.90
  4. Step 4: Simplify right side
    14,148.30x = 176,067,110.30
  5. Step 5: Solve for x
    x = 176,067,110.30/14,148.30
  6. Step 6: Final answer
    x = 12,444.40

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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.