Home / 18,567.45-27,860.76-8,707.77

Finding the Fourth Proportional to 18,567.45, 27,860.76 and 8,707.77

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Solution

The fourth proportional to 18,567.45, 27,860.76 and 8,707.77 is: 13,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.45 : 27,860.76 = 8,707.77 : x
  2. Step 2: Convert to fraction form
    18,567.45/27,860.76 = 8,707.77/x
  3. Step 3: Cross multiply
    18,567.45x = 27,860.76 × 8,707.77
  4. Step 4: Simplify right side
    18,567.45x = 242,605,090.11
  5. Step 5: Solve for x
    x = 242,605,090.11/18,567.45
  6. Step 6: Final answer
    x = 13,066.15

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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.