Home / 9,113.92-13,649.60-7,017.28

Finding the Fourth Proportional to 9,113.92, 13,649.60 and 7,017.28

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Solution

The fourth proportional to 9,113.92, 13,649.60 and 7,017.28 is: 10,509.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113.92 : 13,649.60 = 7,017.28 : x
  2. Step 2: Convert to fraction form
    9,113.92/13,649.60 = 7,017.28/x
  3. Step 3: Cross multiply
    9,113.92x = 13,649.60 × 7,017.28
  4. Step 4: Simplify right side
    9,113.92x = 95,783,065.09
  5. Step 5: Solve for x
    x = 95,783,065.09/9,113.92
  6. Step 6: Final answer
    x = 10,509.54

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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.