Home / 18,903.10-26,089.14-11,353.58

Finding the Fourth Proportional to 18,903.10, 26,089.14 and 11,353.58

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Solution

The fourth proportional to 18,903.10, 26,089.14 and 11,353.58 is: 15,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,903.10 : 26,089.14 = 11,353.58 : x
  2. Step 2: Convert to fraction form
    18,903.10/26,089.14 = 11,353.58/x
  3. Step 3: Cross multiply
    18,903.10x = 26,089.14 × 11,353.58
  4. Step 4: Simplify right side
    18,903.10x = 296,205,138.12
  5. Step 5: Solve for x
    x = 296,205,138.12/18,903.10
  6. Step 6: Final answer
    x = 15,669.66

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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.