Home / 18,848.93-28,272.02-7,605

Finding the Fourth Proportional to 18,848.93, 28,272.02 and 7,605

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Solution

The fourth proportional to 18,848.93, 28,272.02 and 7,605 is: 11,406.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.93 : 28,272.02 = 7,605 : x
  2. Step 2: Convert to fraction form
    18,848.93/28,272.02 = 7,605/x
  3. Step 3: Cross multiply
    18,848.93x = 28,272.02 × 7,605
  4. Step 4: Simplify right side
    18,848.93x = 215,008,674.08
  5. Step 5: Solve for x
    x = 215,008,674.08/18,848.93
  6. Step 6: Final answer
    x = 11,406.95

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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.