Home / 13,099.88-18,073.50-7,434.08

Finding the Fourth Proportional to 13,099.88, 18,073.50 and 7,434.08

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Solution

The fourth proportional to 13,099.88, 18,073.50 and 7,434.08 is: 10,256.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.88 : 18,073.50 = 7,434.08 : x
  2. Step 2: Convert to fraction form
    13,099.88/18,073.50 = 7,434.08/x
  3. Step 3: Cross multiply
    13,099.88x = 18,073.50 × 7,434.08
  4. Step 4: Simplify right side
    13,099.88x = 134,359,844.88
  5. Step 5: Solve for x
    x = 134,359,844.88/13,099.88
  6. Step 6: Final answer
    x = 10,256.57

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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.