Home / 22,117.80-33,176.70-13,260.45

Finding the Fourth Proportional to 22,117.80, 33,176.70 and 13,260.45

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Solution

The fourth proportional to 22,117.80, 33,176.70 and 13,260.45 is: 19,890.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,117.80 : 33,176.70 = 13,260.45 : x
  2. Step 2: Convert to fraction form
    22,117.80/33,176.70 = 13,260.45/x
  3. Step 3: Cross multiply
    22,117.80x = 33,176.70 × 13,260.45
  4. Step 4: Simplify right side
    22,117.80x = 439,937,971.52
  5. Step 5: Solve for x
    x = 439,937,971.52/22,117.80
  6. Step 6: Final answer
    x = 19,890.68

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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.