Home / 10,805.13-16,207.69-4,649.13

Finding the Fourth Proportional to 10,805.13, 16,207.69 and 4,649.13

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Solution

The fourth proportional to 10,805.13, 16,207.69 and 4,649.13 is: 6,973.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,805.13 : 16,207.69 = 4,649.13 : x
  2. Step 2: Convert to fraction form
    10,805.13/16,207.69 = 4,649.13/x
  3. Step 3: Cross multiply
    10,805.13x = 16,207.69 × 4,649.13
  4. Step 4: Simplify right side
    10,805.13x = 75,351,657.81
  5. Step 5: Solve for x
    x = 75,351,657.81/10,805.13
  6. Step 6: Final answer
    x = 6,973.69

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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.