Home / 21,495.76-29,664.68-12,065.04

Finding the Fourth Proportional to 21,495.76, 29,664.68 and 12,065.04

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Solution

The fourth proportional to 21,495.76, 29,664.68 and 12,065.04 is: 16,650.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,495.76 : 29,664.68 = 12,065.04 : x
  2. Step 2: Convert to fraction form
    21,495.76/29,664.68 = 12,065.04/x
  3. Step 3: Cross multiply
    21,495.76x = 29,664.68 × 12,065.04
  4. Step 4: Simplify right side
    21,495.76x = 357,905,550.79
  5. Step 5: Solve for x
    x = 357,905,550.79/21,495.76
  6. Step 6: Final answer
    x = 16,650.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.