Home / 14,070.24-19,420.78-8,761.92

Finding the Fourth Proportional to 14,070.24, 19,420.78 and 8,761.92

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Solution

The fourth proportional to 14,070.24, 19,420.78 and 8,761.92 is: 12,093.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.24 : 19,420.78 = 8,761.92 : x
  2. Step 2: Convert to fraction form
    14,070.24/19,420.78 = 8,761.92/x
  3. Step 3: Cross multiply
    14,070.24x = 19,420.78 × 8,761.92
  4. Step 4: Simplify right side
    14,070.24x = 170,163,320.70
  5. Step 5: Solve for x
    x = 170,163,320.70/14,070.24
  6. Step 6: Final answer
    x = 12,093.85

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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.