Home / 10,207.65-14,086.49-6,433.25

Finding the Fourth Proportional to 10,207.65, 14,086.49 and 6,433.25

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Solution

The fourth proportional to 10,207.65, 14,086.49 and 6,433.25 is: 8,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,207.65 : 14,086.49 = 6,433.25 : x
  2. Step 2: Convert to fraction form
    10,207.65/14,086.49 = 6,433.25/x
  3. Step 3: Cross multiply
    10,207.65x = 14,086.49 × 6,433.25
  4. Step 4: Simplify right side
    10,207.65x = 90,621,862.02
  5. Step 5: Solve for x
    x = 90,621,862.02/10,207.65
  6. Step 6: Final answer
    x = 8,877.84

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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.