Home / 13,400.90-18,494.22-7,433.70

Finding the Fourth Proportional to 13,400.90, 18,494.22 and 7,433.70

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Solution

The fourth proportional to 13,400.90, 18,494.22 and 7,433.70 is: 10,259.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400.90 : 18,494.22 = 7,433.70 : x
  2. Step 2: Convert to fraction form
    13,400.90/18,494.22 = 7,433.70/x
  3. Step 3: Cross multiply
    13,400.90x = 18,494.22 × 7,433.70
  4. Step 4: Simplify right side
    13,400.90x = 137,480,483.21
  5. Step 5: Solve for x
    x = 137,480,483.21/13,400.90
  6. Step 6: Final answer
    x = 10,259.05

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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.