Home / 22,269.81-33,409.32-7,478.31

Finding the Fourth Proportional to 22,269.81, 33,409.32 and 7,478.31

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Solution

The fourth proportional to 22,269.81, 33,409.32 and 7,478.31 is: 11,219.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,269.81 : 33,409.32 = 7,478.31 : x
  2. Step 2: Convert to fraction form
    22,269.81/33,409.32 = 7,478.31/x
  3. Step 3: Cross multiply
    22,269.81x = 33,409.32 × 7,478.31
  4. Step 4: Simplify right side
    22,269.81x = 249,845,251.85
  5. Step 5: Solve for x
    x = 249,845,251.85/22,269.81
  6. Step 6: Final answer
    x = 11,219.01

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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.