Home / 10,050.55-15,071.42-4,428.09

Finding the Fourth Proportional to 10,050.55, 15,071.42 and 4,428.09

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Solution

The fourth proportional to 10,050.55, 15,071.42 and 4,428.09 is: 6,640.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,050.55 : 15,071.42 = 4,428.09 : x
  2. Step 2: Convert to fraction form
    10,050.55/15,071.42 = 4,428.09/x
  3. Step 3: Cross multiply
    10,050.55x = 15,071.42 × 4,428.09
  4. Step 4: Simplify right side
    10,050.55x = 66,737,615.26
  5. Step 5: Solve for x
    x = 66,737,615.26/10,050.55
  6. Step 6: Final answer
    x = 6,640.20

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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.