Home / 22,003.04-30,365.80-12,571.40

Finding the Fourth Proportional to 22,003.04, 30,365.80 and 12,571.40

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Solution

The fourth proportional to 22,003.04, 30,365.80 and 12,571.40 is: 17,349.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,003.04 : 30,365.80 = 12,571.40 : x
  2. Step 2: Convert to fraction form
    22,003.04/30,365.80 = 12,571.40/x
  3. Step 3: Cross multiply
    22,003.04x = 30,365.80 × 12,571.40
  4. Step 4: Simplify right side
    22,003.04x = 381,740,434.86
  5. Step 5: Solve for x
    x = 381,740,434.86/22,003.04
  6. Step 6: Final answer
    x = 17,349.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.