Home / 9,402.75-14,099.85-4,478.34

Finding the Fourth Proportional to 9,402.75, 14,099.85 and 4,478.34

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Solution

The fourth proportional to 9,402.75, 14,099.85 and 4,478.34 is: 6,715.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,402.75 : 14,099.85 = 4,478.34 : x
  2. Step 2: Convert to fraction form
    9,402.75/14,099.85 = 4,478.34/x
  3. Step 3: Cross multiply
    9,402.75x = 14,099.85 × 4,478.34
  4. Step 4: Simplify right side
    9,402.75x = 63,143,922.25
  5. Step 5: Solve for x
    x = 63,143,922.25/9,402.75
  6. Step 6: Final answer
    x = 6,715.47

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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.