Home / 19,069.68-28,605.78-6,590.91

Finding the Fourth Proportional to 19,069.68, 28,605.78 and 6,590.91

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Solution

The fourth proportional to 19,069.68, 28,605.78 and 6,590.91 is: 9,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,069.68 : 28,605.78 = 6,590.91 : x
  2. Step 2: Convert to fraction form
    19,069.68/28,605.78 = 6,590.91/x
  3. Step 3: Cross multiply
    19,069.68x = 28,605.78 × 6,590.91
  4. Step 4: Simplify right side
    19,069.68x = 188,538,121.46
  5. Step 5: Solve for x
    x = 188,538,121.46/19,069.68
  6. Step 6: Final answer
    x = 9,886.80

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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.