Home / 10,420.29-14,377.68-6,169.23

Finding the Fourth Proportional to 10,420.29, 14,377.68 and 6,169.23

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Solution

The fourth proportional to 10,420.29, 14,377.68 and 6,169.23 is: 8,512.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,420.29 : 14,377.68 = 6,169.23 : x
  2. Step 2: Convert to fraction form
    10,420.29/14,377.68 = 6,169.23/x
  3. Step 3: Cross multiply
    10,420.29x = 14,377.68 × 6,169.23
  4. Step 4: Simplify right side
    10,420.29x = 88,699,214.79
  5. Step 5: Solve for x
    x = 88,699,214.79/10,420.29
  6. Step 6: Final answer
    x = 8,512.16

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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.