Home / 18,507.04-27,754.80-5,360.32

Finding the Fourth Proportional to 18,507.04, 27,754.80 and 5,360.32

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Solution

The fourth proportional to 18,507.04, 27,754.80 and 5,360.32 is: 8,038.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.04 : 27,754.80 = 5,360.32 : x
  2. Step 2: Convert to fraction form
    18,507.04/27,754.80 = 5,360.32/x
  3. Step 3: Cross multiply
    18,507.04x = 27,754.80 × 5,360.32
  4. Step 4: Simplify right side
    18,507.04x = 148,774,609.54
  5. Step 5: Solve for x
    x = 148,774,609.54/18,507.04
  6. Step 6: Final answer
    x = 8,038.81

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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.