Home / 19,013.76-28,529.28-10,239.36

Finding the Fourth Proportional to 19,013.76, 28,529.28 and 10,239.36

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Solution

The fourth proportional to 19,013.76, 28,529.28 and 10,239.36 is: 15,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.76 : 28,529.28 = 10,239.36 : x
  2. Step 2: Convert to fraction form
    19,013.76/28,529.28 = 10,239.36/x
  3. Step 3: Cross multiply
    19,013.76x = 28,529.28 × 10,239.36
  4. Step 4: Simplify right side
    19,013.76x = 292,121,568.46
  5. Step 5: Solve for x
    x = 292,121,568.46/19,013.76
  6. Step 6: Final answer
    x = 15,363.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.