Home / 11,574.16-17,389.76-7,415.96

Finding the Fourth Proportional to 11,574.16, 17,389.76 and 7,415.96

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Solution

The fourth proportional to 11,574.16, 17,389.76 and 7,415.96 is: 11,142.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.16 : 17,389.76 = 7,415.96 : x
  2. Step 2: Convert to fraction form
    11,574.16/17,389.76 = 7,415.96/x
  3. Step 3: Cross multiply
    11,574.16x = 17,389.76 × 7,415.96
  4. Step 4: Simplify right side
    11,574.16x = 128,961,764.57
  5. Step 5: Solve for x
    x = 128,961,764.57/11,574.16
  6. Step 6: Final answer
    x = 11,142.21

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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.