Home / 15,628.50-23,434.78-5,091.75

Finding the Fourth Proportional to 15,628.50, 23,434.78 and 5,091.75

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Solution

The fourth proportional to 15,628.50, 23,434.78 and 5,091.75 is: 7,635.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.50 : 23,434.78 = 5,091.75 : x
  2. Step 2: Convert to fraction form
    15,628.50/23,434.78 = 5,091.75/x
  3. Step 3: Cross multiply
    15,628.50x = 23,434.78 × 5,091.75
  4. Step 4: Simplify right side
    15,628.50x = 119,323,898.43
  5. Step 5: Solve for x
    x = 119,323,898.43/15,628.50
  6. Step 6: Final answer
    x = 7,635.02

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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.