Home / 10,891.48-16,343.43-9,064.72

Finding the Fourth Proportional to 10,891.48, 16,343.43 and 9,064.72

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Solution

The fourth proportional to 10,891.48, 16,343.43 and 9,064.72 is: 13,602.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,891.48 : 16,343.43 = 9,064.72 : x
  2. Step 2: Convert to fraction form
    10,891.48/16,343.43 = 9,064.72/x
  3. Step 3: Cross multiply
    10,891.48x = 16,343.43 × 9,064.72
  4. Step 4: Simplify right side
    10,891.48x = 148,148,535.07
  5. Step 5: Solve for x
    x = 148,148,535.07/10,891.48
  6. Step 6: Final answer
    x = 13,602.25

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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.