Home / 13,582.87-18,744.41-7,614.58

Finding the Fourth Proportional to 13,582.87, 18,744.41 and 7,614.58

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Solution

The fourth proportional to 13,582.87, 18,744.41 and 7,614.58 is: 10,508.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.87 : 18,744.41 = 7,614.58 : x
  2. Step 2: Convert to fraction form
    13,582.87/18,744.41 = 7,614.58/x
  3. Step 3: Cross multiply
    13,582.87x = 18,744.41 × 7,614.58
  4. Step 4: Simplify right side
    13,582.87x = 142,730,809.50
  5. Step 5: Solve for x
    x = 142,730,809.50/13,582.87
  6. Step 6: Final answer
    x = 10,508.15

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1.5x scale

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.