Home / 11,985.51-17,977.23-4,963.71

Finding the Fourth Proportional to 11,985.51, 17,977.23 and 4,963.71

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Solution

The fourth proportional to 11,985.51, 17,977.23 and 4,963.71 is: 7,445.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,985.51 : 17,977.23 = 4,963.71 : x
  2. Step 2: Convert to fraction form
    11,985.51/17,977.23 = 4,963.71/x
  3. Step 3: Cross multiply
    11,985.51x = 17,977.23 × 4,963.71
  4. Step 4: Simplify right side
    11,985.51x = 89,233,756.32
  5. Step 5: Solve for x
    x = 89,233,756.32/11,985.51
  6. Step 6: Final answer
    x = 7,445.14

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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.