Home / 19,006.77-28,501.86-7,311.75

Finding the Fourth Proportional to 19,006.77, 28,501.86 and 7,311.75

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Solution

The fourth proportional to 19,006.77, 28,501.86 and 7,311.75 is: 10,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.77 : 28,501.86 = 7,311.75 : x
  2. Step 2: Convert to fraction form
    19,006.77/28,501.86 = 7,311.75/x
  3. Step 3: Cross multiply
    19,006.77x = 28,501.86 × 7,311.75
  4. Step 4: Simplify right side
    19,006.77x = 208,398,474.86
  5. Step 5: Solve for x
    x = 208,398,474.86/19,006.77
  6. Step 6: Final answer
    x = 10,964.43

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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.