Home / 10,312.50-15,464.14-2,915.24

Finding the Fourth Proportional to 10,312.50, 15,464.14 and 2,915.24

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Solution

The fourth proportional to 10,312.50, 15,464.14 and 2,915.24 is: 4,371.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,312.50 : 15,464.14 = 2,915.24 : x
  2. Step 2: Convert to fraction form
    10,312.50/15,464.14 = 2,915.24/x
  3. Step 3: Cross multiply
    10,312.50x = 15,464.14 × 2,915.24
  4. Step 4: Simplify right side
    10,312.50x = 45,081,679.49
  5. Step 5: Solve for x
    x = 45,081,679.49/10,312.50
  6. Step 6: Final answer
    x = 4,371.56

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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.