Home / 22,118.81-33,100.29-13,802.74

Finding the Fourth Proportional to 22,118.81, 33,100.29 and 13,802.74

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Solution

The fourth proportional to 22,118.81, 33,100.29 and 13,802.74 is: 20,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,118.81 : 33,100.29 = 13,802.74 : x
  2. Step 2: Convert to fraction form
    22,118.81/33,100.29 = 13,802.74/x
  3. Step 3: Cross multiply
    22,118.81x = 33,100.29 × 13,802.74
  4. Step 4: Simplify right side
    22,118.81x = 456,874,696.79
  5. Step 5: Solve for x
    x = 456,874,696.79/22,118.81
  6. Step 6: Final answer
    x = 20,655.48

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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.