Home / 22,140.77-33,217.02-12,763.91

Finding the Fourth Proportional to 22,140.77, 33,217.02 and 12,763.91

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Solution

The fourth proportional to 22,140.77, 33,217.02 and 12,763.91 is: 19,149.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.77 : 33,217.02 = 12,763.91 : x
  2. Step 2: Convert to fraction form
    22,140.77/33,217.02 = 12,763.91/x
  3. Step 3: Cross multiply
    22,140.77x = 33,217.02 × 12,763.91
  4. Step 4: Simplify right side
    22,140.77x = 423,979,136.79
  5. Step 5: Solve for x
    x = 423,979,136.79/22,140.77
  6. Step 6: Final answer
    x = 19,149.25

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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.