Home / 18,490.32-27,740.34-5,343.84

Finding the Fourth Proportional to 18,490.32, 27,740.34 and 5,343.84

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Solution

The fourth proportional to 18,490.32, 27,740.34 and 5,343.84 is: 8,017.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.32 : 27,740.34 = 5,343.84 : x
  2. Step 2: Convert to fraction form
    18,490.32/27,740.34 = 5,343.84/x
  3. Step 3: Cross multiply
    18,490.32x = 27,740.34 × 5,343.84
  4. Step 4: Simplify right side
    18,490.32x = 148,239,938.51
  5. Step 5: Solve for x
    x = 148,239,938.51/18,490.32
  6. Step 6: Final answer
    x = 8,017.16

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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.