Home / 13,494.13-18,621.50-7,525.68

Finding the Fourth Proportional to 13,494.13, 18,621.50 and 7,525.68

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Solution

The fourth proportional to 13,494.13, 18,621.50 and 7,525.68 is: 10,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494.13 : 18,621.50 = 7,525.68 : x
  2. Step 2: Convert to fraction form
    13,494.13/18,621.50 = 7,525.68/x
  3. Step 3: Cross multiply
    13,494.13x = 18,621.50 × 7,525.68
  4. Step 4: Simplify right side
    13,494.13x = 140,139,342.66
  5. Step 5: Solve for x
    x = 140,139,342.66/13,494.13
  6. Step 6: Final answer
    x = 10,385.21

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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.