Home / 10,312.31-15,467.54-2,916.60

Finding the Fourth Proportional to 10,312.31, 15,467.54 and 2,916.60

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Solution

The fourth proportional to 10,312.31, 15,467.54 and 2,916.60 is: 4,374.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.31 : 15,467.54 = 2,916.60 : x
  2. Step 2: Convert to fraction form
    10,312.31/15,467.54 = 2,916.60/x
  3. Step 3: Cross multiply
    10,312.31x = 15,467.54 × 2,916.60
  4. Step 4: Simplify right side
    10,312.31x = 45,112,634.46
  5. Step 5: Solve for x
    x = 45,112,634.46/10,312.31
  6. Step 6: Final answer
    x = 4,374.64

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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.