Home / 22,270.32-33,405.42-7,479.30

Finding the Fourth Proportional to 22,270.32, 33,405.42 and 7,479.30

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Solution

The fourth proportional to 22,270.32, 33,405.42 and 7,479.30 is: 11,218.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,270.32 : 33,405.42 = 7,479.30 : x
  2. Step 2: Convert to fraction form
    22,270.32/33,405.42 = 7,479.30/x
  3. Step 3: Cross multiply
    22,270.32x = 33,405.42 × 7,479.30
  4. Step 4: Simplify right side
    22,270.32x = 249,849,157.81
  5. Step 5: Solve for x
    x = 249,849,157.81/22,270.32
  6. Step 6: Final answer
    x = 11,218.93

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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.