Home / 10,516.41-15,774.28-4,274.57

Finding the Fourth Proportional to 10,516.41, 15,774.28 and 4,274.57

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Solution

The fourth proportional to 10,516.41, 15,774.28 and 4,274.57 is: 6,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.41 : 15,774.28 = 4,274.57 : x
  2. Step 2: Convert to fraction form
    10,516.41/15,774.28 = 4,274.57/x
  3. Step 3: Cross multiply
    10,516.41x = 15,774.28 × 4,274.57
  4. Step 4: Simplify right side
    10,516.41x = 67,428,292.81
  5. Step 5: Solve for x
    x = 67,428,292.81/10,516.41
  6. Step 6: Final answer
    x = 6,411.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.