Home / 18,915.24-26,099.10-10,958.52

Finding the Fourth Proportional to 18,915.24, 26,099.10 and 10,958.52

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Solution

The fourth proportional to 18,915.24, 26,099.10 and 10,958.52 is: 15,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,915.24 : 26,099.10 = 10,958.52 : x
  2. Step 2: Convert to fraction form
    18,915.24/26,099.10 = 10,958.52/x
  3. Step 3: Cross multiply
    18,915.24x = 26,099.10 × 10,958.52
  4. Step 4: Simplify right side
    18,915.24x = 286,007,509.33
  5. Step 5: Solve for x
    x = 286,007,509.33/18,915.24
  6. Step 6: Final answer
    x = 15,120.48

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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.