Home / 18,870.18-26,037.96-10,910.87

Finding the Fourth Proportional to 18,870.18, 26,037.96 and 10,910.87

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Solution

The fourth proportional to 18,870.18, 26,037.96 and 10,910.87 is: 15,055.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,870.18 : 26,037.96 = 10,910.87 : x
  2. Step 2: Convert to fraction form
    18,870.18/26,037.96 = 10,910.87/x
  3. Step 3: Cross multiply
    18,870.18x = 26,037.96 × 10,910.87
  4. Step 4: Simplify right side
    18,870.18x = 284,096,666.44
  5. Step 5: Solve for x
    x = 284,096,666.44/18,870.18
  6. Step 6: Final answer
    x = 15,055.32

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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.