Home / 14,300.35-21,456.70-7,731.18

Finding the Fourth Proportional to 14,300.35, 21,456.70 and 7,731.18

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Solution

The fourth proportional to 14,300.35, 21,456.70 and 7,731.18 is: 11,600.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,300.35 : 21,456.70 = 7,731.18 : x
  2. Step 2: Convert to fraction form
    14,300.35/21,456.70 = 7,731.18/x
  3. Step 3: Cross multiply
    14,300.35x = 21,456.70 × 7,731.18
  4. Step 4: Simplify right side
    14,300.35x = 165,885,590.58
  5. Step 5: Solve for x
    x = 165,885,590.58/14,300.35
  6. Step 6: Final answer
    x = 11,600.11

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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.