Home / 10,644.48-15,966.72-4,072.68

Finding the Fourth Proportional to 10,644.48, 15,966.72 and 4,072.68

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Solution

The fourth proportional to 10,644.48, 15,966.72 and 4,072.68 is: 6,109.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.48 : 15,966.72 = 4,072.68 : x
  2. Step 2: Convert to fraction form
    10,644.48/15,966.72 = 4,072.68/x
  3. Step 3: Cross multiply
    10,644.48x = 15,966.72 × 4,072.68
  4. Step 4: Simplify right side
    10,644.48x = 65,027,341.21
  5. Step 5: Solve for x
    x = 65,027,341.21/10,644.48
  6. Step 6: Final answer
    x = 6,109.02

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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.