Home / 22,005.79-33,008.14-6,423.55

Finding the Fourth Proportional to 22,005.79, 33,008.14 and 6,423.55

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Solution

The fourth proportional to 22,005.79, 33,008.14 and 6,423.55 is: 9,635.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.79 : 33,008.14 = 6,423.55 : x
  2. Step 2: Convert to fraction form
    22,005.79/33,008.14 = 6,423.55/x
  3. Step 3: Cross multiply
    22,005.79x = 33,008.14 × 6,423.55
  4. Step 4: Simplify right side
    22,005.79x = 212,029,437.70
  5. Step 5: Solve for x
    x = 212,029,437.70/22,005.79
  6. Step 6: Final answer
    x = 9,635.17

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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.