Home / 10,609.72-15,915.56-4,368.28

Finding the Fourth Proportional to 10,609.72, 15,915.56 and 4,368.28

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Solution

The fourth proportional to 10,609.72, 15,915.56 and 4,368.28 is: 6,552.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.72 : 15,915.56 = 4,368.28 : x
  2. Step 2: Convert to fraction form
    10,609.72/15,915.56 = 4,368.28/x
  3. Step 3: Cross multiply
    10,609.72x = 15,915.56 × 4,368.28
  4. Step 4: Simplify right side
    10,609.72x = 69,523,622.44
  5. Step 5: Solve for x
    x = 69,523,622.44/10,609.72
  6. Step 6: Final answer
    x = 6,552.82

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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.