Home / 22,669.68-31,284.92-12,598.55

Finding the Fourth Proportional to 22,669.68, 31,284.92 and 12,598.55

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Solution

The fourth proportional to 22,669.68, 31,284.92 and 12,598.55 is: 17,386.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,669.68 : 31,284.92 = 12,598.55 : x
  2. Step 2: Convert to fraction form
    22,669.68/31,284.92 = 12,598.55/x
  3. Step 3: Cross multiply
    22,669.68x = 31,284.92 × 12,598.55
  4. Step 4: Simplify right side
    22,669.68x = 394,144,582.15
  5. Step 5: Solve for x
    x = 394,144,582.15/22,669.68
  6. Step 6: Final answer
    x = 17,386.42

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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.