Home / 13,869.98-19,140.65-7,582.36

Finding the Fourth Proportional to 13,869.98, 19,140.65 and 7,582.36

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Solution

The fourth proportional to 13,869.98, 19,140.65 and 7,582.36 is: 10,463.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,869.98 : 19,140.65 = 7,582.36 : x
  2. Step 2: Convert to fraction form
    13,869.98/19,140.65 = 7,582.36/x
  3. Step 3: Cross multiply
    13,869.98x = 19,140.65 × 7,582.36
  4. Step 4: Simplify right side
    13,869.98x = 145,131,320.14
  5. Step 5: Solve for x
    x = 145,131,320.14/13,869.98
  6. Step 6: Final answer
    x = 10,463.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.