Home / 15,922.18-21,972.45-8,848.45

Finding the Fourth Proportional to 15,922.18, 21,972.45 and 8,848.45

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Solution

The fourth proportional to 15,922.18, 21,972.45 and 8,848.45 is: 12,210.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,922.18 : 21,972.45 = 8,848.45 : x
  2. Step 2: Convert to fraction form
    15,922.18/21,972.45 = 8,848.45/x
  3. Step 3: Cross multiply
    15,922.18x = 21,972.45 × 8,848.45
  4. Step 4: Simplify right side
    15,922.18x = 194,422,125.20
  5. Step 5: Solve for x
    x = 194,422,125.20/15,922.18
  6. Step 6: Final answer
    x = 12,210.77

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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.