Home / 19,235.97-28,853.65-9,870.59

Finding the Fourth Proportional to 19,235.97, 28,853.65 and 9,870.59

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Solution

The fourth proportional to 19,235.97, 28,853.65 and 9,870.59 is: 14,805.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,235.97 : 28,853.65 = 9,870.59 : x
  2. Step 2: Convert to fraction form
    19,235.97/28,853.65 = 9,870.59/x
  3. Step 3: Cross multiply
    19,235.97x = 28,853.65 × 9,870.59
  4. Step 4: Simplify right side
    19,235.97x = 284,802,549.15
  5. Step 5: Solve for x
    x = 284,802,549.15/19,235.97
  6. Step 6: Final answer
    x = 14,805.73

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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.