Home / 22,201.05-30,637.35-12,130.08

Finding the Fourth Proportional to 22,201.05, 30,637.35 and 12,130.08

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Solution

The fourth proportional to 22,201.05, 30,637.35 and 12,130.08 is: 16,739.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,201.05 : 30,637.35 = 12,130.08 : x
  2. Step 2: Convert to fraction form
    22,201.05/30,637.35 = 12,130.08/x
  3. Step 3: Cross multiply
    22,201.05x = 30,637.35 × 12,130.08
  4. Step 4: Simplify right side
    22,201.05x = 371,633,506.49
  5. Step 5: Solve for x
    x = 371,633,506.49/22,201.05
  6. Step 6: Final answer
    x = 16,739.46

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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.