Home / 22,017.73-30,384.45-12,586.50

Finding the Fourth Proportional to 22,017.73, 30,384.45 and 12,586.50

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Solution

The fourth proportional to 22,017.73, 30,384.45 and 12,586.50 is: 17,369.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,017.73 : 30,384.45 = 12,586.50 : x
  2. Step 2: Convert to fraction form
    22,017.73/30,384.45 = 12,586.50/x
  3. Step 3: Cross multiply
    22,017.73x = 30,384.45 × 12,586.50
  4. Step 4: Simplify right side
    22,017.73x = 382,433,879.93
  5. Step 5: Solve for x
    x = 382,433,879.93/22,017.73
  6. Step 6: Final answer
    x = 17,369.36

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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.