Home / 18,270.08-27,409.90-5,790.28

Finding the Fourth Proportional to 18,270.08, 27,409.90 and 5,790.28

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Solution

The fourth proportional to 18,270.08, 27,409.90 and 5,790.28 is: 8,686.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.08 : 27,409.90 = 5,790.28 : x
  2. Step 2: Convert to fraction form
    18,270.08/27,409.90 = 5,790.28/x
  3. Step 3: Cross multiply
    18,270.08x = 27,409.90 × 5,790.28
  4. Step 4: Simplify right side
    18,270.08x = 158,710,995.77
  5. Step 5: Solve for x
    x = 158,710,995.77/18,270.08
  6. Step 6: Final answer
    x = 8,686.93

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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.