Home / 13,291.65-19,939.49-4,524.51

Finding the Fourth Proportional to 13,291.65, 19,939.49 and 4,524.51

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Solution

The fourth proportional to 13,291.65, 19,939.49 and 4,524.51 is: 6,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,291.65 : 19,939.49 = 4,524.51 : x
  2. Step 2: Convert to fraction form
    13,291.65/19,939.49 = 4,524.51/x
  3. Step 3: Cross multiply
    13,291.65x = 19,939.49 × 4,524.51
  4. Step 4: Simplify right side
    13,291.65x = 90,216,491.02
  5. Step 5: Solve for x
    x = 90,216,491.02/13,291.65
  6. Step 6: Final answer
    x = 6,787.46

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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.