Home / 22,001.80-30,362.44-12,570.16

Finding the Fourth Proportional to 22,001.80, 30,362.44 and 12,570.16

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Solution

The fourth proportional to 22,001.80, 30,362.44 and 12,570.16 is: 17,346.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.80 : 30,362.44 = 12,570.16 : x
  2. Step 2: Convert to fraction form
    22,001.80/30,362.44 = 12,570.16/x
  3. Step 3: Cross multiply
    22,001.80x = 30,362.44 × 12,570.16
  4. Step 4: Simplify right side
    22,001.80x = 381,660,728.79
  5. Step 5: Solve for x
    x = 381,660,728.79/22,001.80
  6. Step 6: Final answer
    x = 17,346.80

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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.