Home / 19,062.47-28,603.43-9,078.50

Finding the Fourth Proportional to 19,062.47, 28,603.43 and 9,078.50

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Solution

The fourth proportional to 19,062.47, 28,603.43 and 9,078.50 is: 13,622.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.47 : 28,603.43 = 9,078.50 : x
  2. Step 2: Convert to fraction form
    19,062.47/28,603.43 = 9,078.50/x
  3. Step 3: Cross multiply
    19,062.47x = 28,603.43 × 9,078.50
  4. Step 4: Simplify right side
    19,062.47x = 259,676,333.46
  5. Step 5: Solve for x
    x = 259,676,333.46/19,062.47
  6. Step 6: Final answer
    x = 13,622.39

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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.