Home / 10,271.84-15,392.88-5,587.88

Finding the Fourth Proportional to 10,271.84, 15,392.88 and 5,587.88

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Solution

The fourth proportional to 10,271.84, 15,392.88 and 5,587.88 is: 8,373.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,271.84 : 15,392.88 = 5,587.88 : x
  2. Step 2: Convert to fraction form
    10,271.84/15,392.88 = 5,587.88/x
  3. Step 3: Cross multiply
    10,271.84x = 15,392.88 × 5,587.88
  4. Step 4: Simplify right side
    10,271.84x = 86,013,566.29
  5. Step 5: Solve for x
    x = 86,013,566.29/10,271.84
  6. Step 6: Final answer
    x = 8,373.73

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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.