Home / 19,030.32-28,553.64-7,351.80

Finding the Fourth Proportional to 19,030.32, 28,553.64 and 7,351.80

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Solution

The fourth proportional to 19,030.32, 28,553.64 and 7,351.80 is: 11,030.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,030.32 : 28,553.64 = 7,351.80 : x
  2. Step 2: Convert to fraction form
    19,030.32/28,553.64 = 7,351.80/x
  3. Step 3: Cross multiply
    19,030.32x = 28,553.64 × 7,351.80
  4. Step 4: Simplify right side
    19,030.32x = 209,920,650.55
  5. Step 5: Solve for x
    x = 209,920,650.55/19,030.32
  6. Step 6: Final answer
    x = 11,030.85

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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.