Home / 10,521.14-14,518.56-5,805.42

Finding the Fourth Proportional to 10,521.14, 14,518.56 and 5,805.42

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Solution

The fourth proportional to 10,521.14, 14,518.56 and 5,805.42 is: 8,011.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,521.14 : 14,518.56 = 5,805.42 : x
  2. Step 2: Convert to fraction form
    10,521.14/14,518.56 = 5,805.42/x
  3. Step 3: Cross multiply
    10,521.14x = 14,518.56 × 5,805.42
  4. Step 4: Simplify right side
    10,521.14x = 84,286,338.60
  5. Step 5: Solve for x
    x = 84,286,338.60/10,521.14
  6. Step 6: Final answer
    x = 8,011.14

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.