Home / 10,312.90-15,467.62-2,915.68

Finding the Fourth Proportional to 10,312.90, 15,467.62 and 2,915.68

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Solution

The fourth proportional to 10,312.90, 15,467.62 and 2,915.68 is: 4,373.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.90 : 15,467.62 = 2,915.68 : x
  2. Step 2: Convert to fraction form
    10,312.90/15,467.62 = 2,915.68/x
  3. Step 3: Cross multiply
    10,312.90x = 15,467.62 × 2,915.68
  4. Step 4: Simplify right side
    10,312.90x = 45,098,630.28
  5. Step 5: Solve for x
    x = 45,098,630.28/10,312.90
  6. Step 6: Final answer
    x = 4,373.03

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1.5x scale

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.