Home / 18,266.72-27,390.35-5,783.40

Finding the Fourth Proportional to 18,266.72, 27,390.35 and 5,783.40

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Solution

The fourth proportional to 18,266.72, 27,390.35 and 5,783.40 is: 8,672.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,266.72 : 27,390.35 = 5,783.40 : x
  2. Step 2: Convert to fraction form
    18,266.72/27,390.35 = 5,783.40/x
  3. Step 3: Cross multiply
    18,266.72x = 27,390.35 × 5,783.40
  4. Step 4: Simplify right side
    18,266.72x = 158,409,364.65
  5. Step 5: Solve for x
    x = 158,409,364.65/18,266.72
  6. Step 6: Final answer
    x = 8,672.02

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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.