Home / 22,421.12-33,620.52-13,064.40

Finding the Fourth Proportional to 22,421.12, 33,620.52 and 13,064.40

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Solution

The fourth proportional to 22,421.12, 33,620.52 and 13,064.40 is: 19,590.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,421.12 : 33,620.52 = 13,064.40 : x
  2. Step 2: Convert to fraction form
    22,421.12/33,620.52 = 13,064.40/x
  3. Step 3: Cross multiply
    22,421.12x = 33,620.52 × 13,064.40
  4. Step 4: Simplify right side
    22,421.12x = 439,231,921.49
  5. Step 5: Solve for x
    x = 439,231,921.49/22,421.12
  6. Step 6: Final answer
    x = 19,590.10

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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.