Home / 19,274.46-28,931.13-13,014.78

Finding the Fourth Proportional to 19,274.46, 28,931.13 and 13,014.78

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Solution

The fourth proportional to 19,274.46, 28,931.13 and 13,014.78 is: 19,535.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,274.46 : 28,931.13 = 13,014.78 : x
  2. Step 2: Convert to fraction form
    19,274.46/28,931.13 = 13,014.78/x
  3. Step 3: Cross multiply
    19,274.46x = 28,931.13 × 13,014.78
  4. Step 4: Simplify right side
    19,274.46x = 376,532,292.10
  5. Step 5: Solve for x
    x = 376,532,292.10/19,274.46
  6. Step 6: Final answer
    x = 19,535.30

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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.