Home / 18,740.16-28,110.24-10,944.72

Finding the Fourth Proportional to 18,740.16, 28,110.24 and 10,944.72

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Solution

The fourth proportional to 18,740.16, 28,110.24 and 10,944.72 is: 16,417.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,740.16 : 28,110.24 = 10,944.72 : x
  2. Step 2: Convert to fraction form
    18,740.16/28,110.24 = 10,944.72/x
  3. Step 3: Cross multiply
    18,740.16x = 28,110.24 × 10,944.72
  4. Step 4: Simplify right side
    18,740.16x = 307,658,705.93
  5. Step 5: Solve for x
    x = 307,658,705.93/18,740.16
  6. Step 6: Final answer
    x = 16,417.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.