Home / 20,136.97-30,210.59-14,225.41

Finding the Fourth Proportional to 20,136.97, 30,210.59 and 14,225.41

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Solution

The fourth proportional to 20,136.97, 30,210.59 and 14,225.41 is: 21,341.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,136.97 : 30,210.59 = 14,225.41 : x
  2. Step 2: Convert to fraction form
    20,136.97/30,210.59 = 14,225.41/x
  3. Step 3: Cross multiply
    20,136.97x = 30,210.59 × 14,225.41
  4. Step 4: Simplify right side
    20,136.97x = 429,757,964.91
  5. Step 5: Solve for x
    x = 429,757,964.91/20,136.97
  6. Step 6: Final answer
    x = 21,341.74

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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.