Home / 21,630.08-32,444.90-6,838.99

Finding the Fourth Proportional to 21,630.08, 32,444.90 and 6,838.99

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Solution

The fourth proportional to 21,630.08, 32,444.90 and 6,838.99 is: 10,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,630.08 : 32,444.90 = 6,838.99 : x
  2. Step 2: Convert to fraction form
    21,630.08/32,444.90 = 6,838.99/x
  3. Step 3: Cross multiply
    21,630.08x = 32,444.90 × 6,838.99
  4. Step 4: Simplify right side
    21,630.08x = 221,890,523.59
  5. Step 5: Solve for x
    x = 221,890,523.59/21,630.08
  6. Step 6: Final answer
    x = 10,258.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.