Home / 11,430.19-17,161.68-7,468.98

Finding the Fourth Proportional to 11,430.19, 17,161.68 and 7,468.98

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Solution

The fourth proportional to 11,430.19, 17,161.68 and 7,468.98 is: 11,214.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.19 : 17,161.68 = 7,468.98 : x
  2. Step 2: Convert to fraction form
    11,430.19/17,161.68 = 7,468.98/x
  3. Step 3: Cross multiply
    11,430.19x = 17,161.68 × 7,468.98
  4. Step 4: Simplify right side
    11,430.19x = 128,180,244.69
  5. Step 5: Solve for x
    x = 128,180,244.69/11,430.19
  6. Step 6: Final answer
    x = 11,214.18

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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.