Home / 10,412.29-14,368.97-5,696.56

Finding the Fourth Proportional to 10,412.29, 14,368.97 and 5,696.56

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Solution

The fourth proportional to 10,412.29, 14,368.97 and 5,696.56 is: 7,861.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,412.29 : 14,368.97 = 5,696.56 : x
  2. Step 2: Convert to fraction form
    10,412.29/14,368.97 = 5,696.56/x
  3. Step 3: Cross multiply
    10,412.29x = 14,368.97 × 5,696.56
  4. Step 4: Simplify right side
    10,412.29x = 81,853,699.74
  5. Step 5: Solve for x
    x = 81,853,699.74/10,412.29
  6. Step 6: Final answer
    x = 7,861.26

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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.