Home / 15,539.54-21,440.85-9,253.94

Finding the Fourth Proportional to 15,539.54, 21,440.85 and 9,253.94

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Solution

The fourth proportional to 15,539.54, 21,440.85 and 9,253.94 is: 12,768.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,539.54 : 21,440.85 = 9,253.94 : x
  2. Step 2: Convert to fraction form
    15,539.54/21,440.85 = 9,253.94/x
  3. Step 3: Cross multiply
    15,539.54x = 21,440.85 × 9,253.94
  4. Step 4: Simplify right side
    15,539.54x = 198,412,339.45
  5. Step 5: Solve for x
    x = 198,412,339.45/15,539.54
  6. Step 6: Final answer
    x = 12,768.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.