Home / 10,839.04-16,271.51-6,458.56

Finding the Fourth Proportional to 10,839.04, 16,271.51 and 6,458.56

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Solution

The fourth proportional to 10,839.04, 16,271.51 and 6,458.56 is: 9,695.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.04 : 16,271.51 = 6,458.56 : x
  2. Step 2: Convert to fraction form
    10,839.04/16,271.51 = 6,458.56/x
  3. Step 3: Cross multiply
    10,839.04x = 16,271.51 × 6,458.56
  4. Step 4: Simplify right side
    10,839.04x = 105,090,523.63
  5. Step 5: Solve for x
    x = 105,090,523.63/10,839.04
  6. Step 6: Final answer
    x = 9,695.56

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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.