Home / 10,239.84-15,364.08-6,087.78

Finding the Fourth Proportional to 10,239.84, 15,364.08 and 6,087.78

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Solution

The fourth proportional to 10,239.84, 15,364.08 and 6,087.78 is: 9,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,239.84 : 15,364.08 = 6,087.78 : x
  2. Step 2: Convert to fraction form
    10,239.84/15,364.08 = 6,087.78/x
  3. Step 3: Cross multiply
    10,239.84x = 15,364.08 × 6,087.78
  4. Step 4: Simplify right side
    10,239.84x = 93,533,138.94
  5. Step 5: Solve for x
    x = 93,533,138.94/10,239.84
  6. Step 6: Final answer
    x = 9,134.24

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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.