Home / 22,143.29-30,556.65-12,581.93

Finding the Fourth Proportional to 22,143.29, 30,556.65 and 12,581.93

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Solution

The fourth proportional to 22,143.29, 30,556.65 and 12,581.93 is: 17,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,143.29 : 30,556.65 = 12,581.93 : x
  2. Step 2: Convert to fraction form
    22,143.29/30,556.65 = 12,581.93/x
  3. Step 3: Cross multiply
    22,143.29x = 30,556.65 × 12,581.93
  4. Step 4: Simplify right side
    22,143.29x = 384,461,631.33
  5. Step 5: Solve for x
    x = 384,461,631.33/22,143.29
  6. Step 6: Final answer
    x = 17,362.44

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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.