Home / 22,130.48-33,177.68-10,291.72

Finding the Fourth Proportional to 22,130.48, 33,177.68 and 10,291.72

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Solution

The fourth proportional to 22,130.48, 33,177.68 and 10,291.72 is: 15,429.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.48 : 33,177.68 = 10,291.72 : x
  2. Step 2: Convert to fraction form
    22,130.48/33,177.68 = 10,291.72/x
  3. Step 3: Cross multiply
    22,130.48x = 33,177.68 × 10,291.72
  4. Step 4: Simplify right side
    22,130.48x = 341,455,297.00
  5. Step 5: Solve for x
    x = 341,455,297.00/22,130.48
  6. Step 6: Final answer
    x = 15,429.19

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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.