Home / 10,217.36-14,099.19-5,740.40

Finding the Fourth Proportional to 10,217.36, 14,099.19 and 5,740.40

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Solution

The fourth proportional to 10,217.36, 14,099.19 and 5,740.40 is: 7,921.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.36 : 14,099.19 = 5,740.40 : x
  2. Step 2: Convert to fraction form
    10,217.36/14,099.19 = 5,740.40/x
  3. Step 3: Cross multiply
    10,217.36x = 14,099.19 × 5,740.40
  4. Step 4: Simplify right side
    10,217.36x = 80,934,990.28
  5. Step 5: Solve for x
    x = 80,934,990.28/10,217.36
  6. Step 6: Final answer
    x = 7,921.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.