Home / 13,888.38-19,166.28-7,600.77

Finding the Fourth Proportional to 13,888.38, 19,166.28 and 7,600.77

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Solution

The fourth proportional to 13,888.38, 19,166.28 and 7,600.77 is: 10,489.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,888.38 : 19,166.28 = 7,600.77 : x
  2. Step 2: Convert to fraction form
    13,888.38/19,166.28 = 7,600.77/x
  3. Step 3: Cross multiply
    13,888.38x = 19,166.28 × 7,600.77
  4. Step 4: Simplify right side
    13,888.38x = 145,678,486.04
  5. Step 5: Solve for x
    x = 145,678,486.04/13,888.38
  6. Step 6: Final answer
    x = 10,489.24

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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.