Home / 22,202.23-30,639.27-12,130.51

Finding the Fourth Proportional to 22,202.23, 30,639.27 and 12,130.51

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Solution

The fourth proportional to 22,202.23, 30,639.27 and 12,130.51 is: 16,740.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,202.23 : 30,639.27 = 12,130.51 : x
  2. Step 2: Convert to fraction form
    22,202.23/30,639.27 = 12,130.51/x
  3. Step 3: Cross multiply
    22,202.23x = 30,639.27 × 12,130.51
  4. Step 4: Simplify right side
    22,202.23x = 371,669,971.13
  5. Step 5: Solve for x
    x = 371,669,971.13/22,202.23
  6. Step 6: Final answer
    x = 16,740.21

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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.