Home / 13,582.89-18,744.75-7,614.41

Finding the Fourth Proportional to 13,582.89, 18,744.75 and 7,614.41

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Solution

The fourth proportional to 13,582.89, 18,744.75 and 7,614.41 is: 10,508.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.89 : 18,744.75 = 7,614.41 : x
  2. Step 2: Convert to fraction form
    13,582.89/18,744.75 = 7,614.41/x
  3. Step 3: Cross multiply
    13,582.89x = 18,744.75 × 7,614.41
  4. Step 4: Simplify right side
    13,582.89x = 142,730,118.12
  5. Step 5: Solve for x
    x = 142,730,118.12/13,582.89
  6. Step 6: Final answer
    x = 10,508.08

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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.