Home / 10,135.35-13,984.10-6,502.65

Finding the Fourth Proportional to 10,135.35, 13,984.10 and 6,502.65

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Solution

The fourth proportional to 10,135.35, 13,984.10 and 6,502.65 is: 8,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,135.35 : 13,984.10 = 6,502.65 : x
  2. Step 2: Convert to fraction form
    10,135.35/13,984.10 = 6,502.65/x
  3. Step 3: Cross multiply
    10,135.35x = 13,984.10 × 6,502.65
  4. Step 4: Simplify right side
    10,135.35x = 90,933,675.35
  5. Step 5: Solve for x
    x = 90,933,675.35/10,135.35
  6. Step 6: Final answer
    x = 8,971.93

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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.