Home / 10,560.34-15,837.80-3,984.58

Finding the Fourth Proportional to 10,560.34, 15,837.80 and 3,984.58

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Solution

The fourth proportional to 10,560.34, 15,837.80 and 3,984.58 is: 5,975.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,560.34 : 15,837.80 = 3,984.58 : x
  2. Step 2: Convert to fraction form
    10,560.34/15,837.80 = 3,984.58/x
  3. Step 3: Cross multiply
    10,560.34x = 15,837.80 × 3,984.58
  4. Step 4: Simplify right side
    10,560.34x = 63,106,981.12
  5. Step 5: Solve for x
    x = 63,106,981.12/10,560.34
  6. Step 6: Final answer
    x = 5,975.85

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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.