Home / 14,113.31-21,173.20-4,753.08

Finding the Fourth Proportional to 14,113.31, 21,173.20 and 4,753.08

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Solution

The fourth proportional to 14,113.31, 21,173.20 and 4,753.08 is: 7,130.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.31 : 21,173.20 = 4,753.08 : x
  2. Step 2: Convert to fraction form
    14,113.31/21,173.20 = 4,753.08/x
  3. Step 3: Cross multiply
    14,113.31x = 21,173.20 × 4,753.08
  4. Step 4: Simplify right side
    14,113.31x = 100,637,901.57
  5. Step 5: Solve for x
    x = 100,637,901.57/14,113.31
  6. Step 6: Final answer
    x = 7,130.71

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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.