Home / 10,072.33-13,898.86-9,329.29

Finding the Fourth Proportional to 10,072.33, 13,898.86 and 9,329.29

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Solution

The fourth proportional to 10,072.33, 13,898.86 and 9,329.29 is: 12,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.33 : 13,898.86 = 9,329.29 : x
  2. Step 2: Convert to fraction form
    10,072.33/13,898.86 = 9,329.29/x
  3. Step 3: Cross multiply
    10,072.33x = 13,898.86 × 9,329.29
  4. Step 4: Simplify right side
    10,072.33x = 129,666,495.61
  5. Step 5: Solve for x
    x = 129,666,495.61/10,072.33
  6. Step 6: Final answer
    x = 12,873.54

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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.