Home / 15,946.14-22,004.74-8,774.83

Finding the Fourth Proportional to 15,946.14, 22,004.74 and 8,774.83

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Solution

The fourth proportional to 15,946.14, 22,004.74 and 8,774.83 is: 12,108.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,946.14 : 22,004.74 = 8,774.83 : x
  2. Step 2: Convert to fraction form
    15,946.14/22,004.74 = 8,774.83/x
  3. Step 3: Cross multiply
    15,946.14x = 22,004.74 × 8,774.83
  4. Step 4: Simplify right side
    15,946.14x = 193,087,775.75
  5. Step 5: Solve for x
    x = 193,087,775.75/15,946.14
  6. Step 6: Final answer
    x = 12,108.75

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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.