Home / 18,507.60-27,762.84-5,360.16

Finding the Fourth Proportional to 18,507.60, 27,762.84 and 5,360.16

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Solution

The fourth proportional to 18,507.60, 27,762.84 and 5,360.16 is: 8,040.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,507.60 : 27,762.84 = 5,360.16 : x
  2. Step 2: Convert to fraction form
    18,507.60/27,762.84 = 5,360.16/x
  3. Step 3: Cross multiply
    18,507.60x = 27,762.84 × 5,360.16
  4. Step 4: Simplify right side
    18,507.60x = 148,813,264.45
  5. Step 5: Solve for x
    x = 148,813,264.45/18,507.60
  6. Step 6: Final answer
    x = 8,040.66

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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.