Home / 12,526.99-18,790.83-3,761.91

Finding the Fourth Proportional to 12,526.99, 18,790.83 and 3,761.91

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Solution

The fourth proportional to 12,526.99, 18,790.83 and 3,761.91 is: 5,642.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,526.99 : 18,790.83 = 3,761.91 : x
  2. Step 2: Convert to fraction form
    12,526.99/18,790.83 = 3,761.91/x
  3. Step 3: Cross multiply
    12,526.99x = 18,790.83 × 3,761.91
  4. Step 4: Simplify right side
    12,526.99x = 70,689,411.29
  5. Step 5: Solve for x
    x = 70,689,411.29/12,526.99
  6. Step 6: Final answer
    x = 5,642.97

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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.