Home / 10,531.05-14,532.69-5,815.35

Finding the Fourth Proportional to 10,531.05, 14,532.69 and 5,815.35

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Solution

The fourth proportional to 10,531.05, 14,532.69 and 5,815.35 is: 8,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.05 : 14,532.69 = 5,815.35 : x
  2. Step 2: Convert to fraction form
    10,531.05/14,532.69 = 5,815.35/x
  3. Step 3: Cross multiply
    10,531.05x = 14,532.69 × 5,815.35
  4. Step 4: Simplify right side
    10,531.05x = 84,512,678.79
  5. Step 5: Solve for x
    x = 84,512,678.79/10,531.05
  6. Step 6: Final answer
    x = 8,025.10

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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.