Home / 10,317.81-15,433.35-9,569.98

Finding the Fourth Proportional to 10,317.81, 15,433.35 and 9,569.98

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Solution

The fourth proportional to 10,317.81, 15,433.35 and 9,569.98 is: 14,314.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,317.81 : 15,433.35 = 9,569.98 : x
  2. Step 2: Convert to fraction form
    10,317.81/15,433.35 = 9,569.98/x
  3. Step 3: Cross multiply
    10,317.81x = 15,433.35 × 9,569.98
  4. Step 4: Simplify right side
    10,317.81x = 147,696,850.83
  5. Step 5: Solve for x
    x = 147,696,850.83/10,317.81
  6. Step 6: Final answer
    x = 14,314.75

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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.