Home / 13,888.29-19,166.29-7,600.66

Finding the Fourth Proportional to 13,888.29, 19,166.29 and 7,600.66

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Solution

The fourth proportional to 13,888.29, 19,166.29 and 7,600.66 is: 10,489.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.29 : 19,166.29 = 7,600.66 : x
  2. Step 2: Convert to fraction form
    13,888.29/19,166.29 = 7,600.66/x
  3. Step 3: Cross multiply
    13,888.29x = 19,166.29 × 7,600.66
  4. Step 4: Simplify right side
    13,888.29x = 145,676,453.75
  5. Step 5: Solve for x
    x = 145,676,453.75/13,888.29
  6. Step 6: Final answer
    x = 10,489.16

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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.