Home / 13,927.20-20,897.61-6,907.87

Finding the Fourth Proportional to 13,927.20, 20,897.61 and 6,907.87

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Solution

The fourth proportional to 13,927.20, 20,897.61 and 6,907.87 is: 10,365.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,927.20 : 20,897.61 = 6,907.87 : x
  2. Step 2: Convert to fraction form
    13,927.20/20,897.61 = 6,907.87/x
  3. Step 3: Cross multiply
    13,927.20x = 20,897.61 × 6,907.87
  4. Step 4: Simplify right side
    13,927.20x = 144,357,973.19
  5. Step 5: Solve for x
    x = 144,357,973.19/13,927.20
  6. Step 6: Final answer
    x = 10,365.18

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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.