Home / 13,414.26-18,510.81-7,445.93

Finding the Fourth Proportional to 13,414.26, 18,510.81 and 7,445.93

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Solution

The fourth proportional to 13,414.26, 18,510.81 and 7,445.93 is: 10,274.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.26 : 18,510.81 = 7,445.93 : x
  2. Step 2: Convert to fraction form
    13,414.26/18,510.81 = 7,445.93/x
  3. Step 3: Cross multiply
    13,414.26x = 18,510.81 × 7,445.93
  4. Step 4: Simplify right side
    13,414.26x = 137,830,102.95
  5. Step 5: Solve for x
    x = 137,830,102.95/13,414.26
  6. Step 6: Final answer
    x = 10,274.89

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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.