Home / 22,421.05-33,631.04-6,838.81

Finding the Fourth Proportional to 22,421.05, 33,631.04 and 6,838.81

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Solution

The fourth proportional to 22,421.05, 33,631.04 and 6,838.81 is: 10,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.05 : 33,631.04 = 6,838.81 : x
  2. Step 2: Convert to fraction form
    22,421.05/33,631.04 = 6,838.81/x
  3. Step 3: Cross multiply
    22,421.05x = 33,631.04 × 6,838.81
  4. Step 4: Simplify right side
    22,421.05x = 229,996,258.47
  5. Step 5: Solve for x
    x = 229,996,258.47/22,421.05
  6. Step 6: Final answer
    x = 10,258.05

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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.