Home / 15,409.84-23,100.89-5,542.19

Finding the Fourth Proportional to 15,409.84, 23,100.89 and 5,542.19

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Solution

The fourth proportional to 15,409.84, 23,100.89 and 5,542.19 is: 8,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,409.84 : 23,100.89 = 5,542.19 : x
  2. Step 2: Convert to fraction form
    15,409.84/23,100.89 = 5,542.19/x
  3. Step 3: Cross multiply
    15,409.84x = 23,100.89 × 5,542.19
  4. Step 4: Simplify right side
    15,409.84x = 128,029,521.55
  5. Step 5: Solve for x
    x = 128,029,521.55/15,409.84
  6. Step 6: Final answer
    x = 8,308.30

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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.