Home / 14,430.90-21,653.20-9,995.39

Finding the Fourth Proportional to 14,430.90, 21,653.20 and 9,995.39

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Solution

The fourth proportional to 14,430.90, 21,653.20 and 9,995.39 is: 14,997.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.90 : 21,653.20 = 9,995.39 : x
  2. Step 2: Convert to fraction form
    14,430.90/21,653.20 = 9,995.39/x
  3. Step 3: Cross multiply
    14,430.90x = 21,653.20 × 9,995.39
  4. Step 4: Simplify right side
    14,430.90x = 216,432,105.61
  5. Step 5: Solve for x
    x = 216,432,105.61/14,430.90
  6. Step 6: Final answer
    x = 14,997.83

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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.