Home / 22,438.29-30,966.62-12,368.52

Finding the Fourth Proportional to 22,438.29, 30,966.62 and 12,368.52

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Solution

The fourth proportional to 22,438.29, 30,966.62 and 12,368.52 is: 17,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,438.29 : 30,966.62 = 12,368.52 : x
  2. Step 2: Convert to fraction form
    22,438.29/30,966.62 = 12,368.52/x
  3. Step 3: Cross multiply
    22,438.29x = 30,966.62 × 12,368.52
  4. Step 4: Simplify right side
    22,438.29x = 383,011,289.72
  5. Step 5: Solve for x
    x = 383,011,289.72/22,438.29
  6. Step 6: Final answer
    x = 17,069.54

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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.