Home / 19,515.28-29,274.12-7,826.98

Finding the Fourth Proportional to 19,515.28, 29,274.12 and 7,826.98

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Solution

The fourth proportional to 19,515.28, 29,274.12 and 7,826.98 is: 11,740.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,515.28 : 29,274.12 = 7,826.98 : x
  2. Step 2: Convert to fraction form
    19,515.28/29,274.12 = 7,826.98/x
  3. Step 3: Cross multiply
    19,515.28x = 29,274.12 × 7,826.98
  4. Step 4: Simplify right side
    19,515.28x = 229,127,951.76
  5. Step 5: Solve for x
    x = 229,127,951.76/19,515.28
  6. Step 6: Final answer
    x = 11,740.95

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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.