Home / 10,312.06-15,468.08-2,915.54

Finding the Fourth Proportional to 10,312.06, 15,468.08 and 2,915.54

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Solution

The fourth proportional to 10,312.06, 15,468.08 and 2,915.54 is: 4,373.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.06 : 15,468.08 = 2,915.54 : x
  2. Step 2: Convert to fraction form
    10,312.06/15,468.08 = 2,915.54/x
  3. Step 3: Cross multiply
    10,312.06x = 15,468.08 × 2,915.54
  4. Step 4: Simplify right side
    10,312.06x = 45,097,805.96
  5. Step 5: Solve for x
    x = 45,097,805.96/10,312.06
  6. Step 6: Final answer
    x = 4,373.31

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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.