Home / 13,373.09-18,454.65-7,404.74

Finding the Fourth Proportional to 13,373.09, 18,454.65 and 7,404.74

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Solution

The fourth proportional to 13,373.09, 18,454.65 and 7,404.74 is: 10,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,373.09 : 18,454.65 = 7,404.74 : x
  2. Step 2: Convert to fraction form
    13,373.09/18,454.65 = 7,404.74/x
  3. Step 3: Cross multiply
    13,373.09x = 18,454.65 × 7,404.74
  4. Step 4: Simplify right side
    13,373.09x = 136,651,792.77
  5. Step 5: Solve for x
    x = 136,651,792.77/13,373.09
  6. Step 6: Final answer
    x = 10,218.42

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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.