Home / 22,349.20-33,549.40-13,120.40

Finding the Fourth Proportional to 22,349.20, 33,549.40 and 13,120.40

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Solution

The fourth proportional to 22,349.20, 33,549.40 and 13,120.40 is: 19,695.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,349.20 : 33,549.40 = 13,120.40 : x
  2. Step 2: Convert to fraction form
    22,349.20/33,549.40 = 13,120.40/x
  3. Step 3: Cross multiply
    22,349.20x = 33,549.40 × 13,120.40
  4. Step 4: Simplify right side
    22,349.20x = 440,181,547.76
  5. Step 5: Solve for x
    x = 440,181,547.76/22,349.20
  6. Step 6: Final answer
    x = 19,695.63

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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.