Home / 18,912.96-26,099.28-10,415.52

Finding the Fourth Proportional to 18,912.96, 26,099.28 and 10,415.52

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Solution

The fourth proportional to 18,912.96, 26,099.28 and 10,415.52 is: 14,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,912.96 : 26,099.28 = 10,415.52 : x
  2. Step 2: Convert to fraction form
    18,912.96/26,099.28 = 10,415.52/x
  3. Step 3: Cross multiply
    18,912.96x = 26,099.28 × 10,415.52
  4. Step 4: Simplify right side
    18,912.96x = 271,837,572.83
  5. Step 5: Solve for x
    x = 271,837,572.83/18,912.96
  6. Step 6: Final answer
    x = 14,373.08

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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.