Home / 19,951.55-29,927.25-5,911.68

Finding the Fourth Proportional to 19,951.55, 29,927.25 and 5,911.68

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Solution

The fourth proportional to 19,951.55, 29,927.25 and 5,911.68 is: 8,867.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.55 : 29,927.25 = 5,911.68 : x
  2. Step 2: Convert to fraction form
    19,951.55/29,927.25 = 5,911.68/x
  3. Step 3: Cross multiply
    19,951.55x = 29,927.25 × 5,911.68
  4. Step 4: Simplify right side
    19,951.55x = 176,920,325.28
  5. Step 5: Solve for x
    x = 176,920,325.28/19,951.55
  6. Step 6: Final answer
    x = 8,867.50

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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.