Home / 19,300.32-28,950.17-7,613.64

Finding the Fourth Proportional to 19,300.32, 28,950.17 and 7,613.64

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Solution

The fourth proportional to 19,300.32, 28,950.17 and 7,613.64 is: 11,420.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300.32 : 28,950.17 = 7,613.64 : x
  2. Step 2: Convert to fraction form
    19,300.32/28,950.17 = 7,613.64/x
  3. Step 3: Cross multiply
    19,300.32x = 28,950.17 × 7,613.64
  4. Step 4: Simplify right side
    19,300.32x = 220,416,134.25
  5. Step 5: Solve for x
    x = 220,416,134.25/19,300.32
  6. Step 6: Final answer
    x = 11,420.34

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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.