Home / 18,807.06-28,207.71-4,957.14

Finding the Fourth Proportional to 18,807.06, 28,207.71 and 4,957.14

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Solution

The fourth proportional to 18,807.06, 28,207.71 and 4,957.14 is: 7,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,807.06 : 28,207.71 = 4,957.14 : x
  2. Step 2: Convert to fraction form
    18,807.06/28,207.71 = 4,957.14/x
  3. Step 3: Cross multiply
    18,807.06x = 28,207.71 × 4,957.14
  4. Step 4: Simplify right side
    18,807.06x = 139,829,567.55
  5. Step 5: Solve for x
    x = 139,829,567.55/18,807.06
  6. Step 6: Final answer
    x = 7,434.95

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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.