Home / 19,074.56-28,612.64-5,223.52

Finding the Fourth Proportional to 19,074.56, 28,612.64 and 5,223.52

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Solution

The fourth proportional to 19,074.56, 28,612.64 and 5,223.52 is: 7,835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,074.56 : 28,612.64 = 5,223.52 : x
  2. Step 2: Convert to fraction form
    19,074.56/28,612.64 = 5,223.52/x
  3. Step 3: Cross multiply
    19,074.56x = 28,612.64 × 5,223.52
  4. Step 4: Simplify right side
    19,074.56x = 149,458,697.29
  5. Step 5: Solve for x
    x = 149,458,697.29/19,074.56
  6. Step 6: Final answer
    x = 7,835.50

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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.