Home / 19,260.09-28,877.18-9,888.39

Finding the Fourth Proportional to 19,260.09, 28,877.18 and 9,888.39

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Solution

The fourth proportional to 19,260.09, 28,877.18 and 9,888.39 is: 14,825.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,260.09 : 28,877.18 = 9,888.39 : x
  2. Step 2: Convert to fraction form
    19,260.09/28,877.18 = 9,888.39/x
  3. Step 3: Cross multiply
    19,260.09x = 28,877.18 × 9,888.39
  4. Step 4: Simplify right side
    19,260.09x = 285,548,768.50
  5. Step 5: Solve for x
    x = 285,548,768.50/19,260.09
  6. Step 6: Final answer
    x = 14,825.93

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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.