Home / 12,444.16-18,666.24-8,536.72

Finding the Fourth Proportional to 12,444.16, 18,666.24 and 8,536.72

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Solution

The fourth proportional to 12,444.16, 18,666.24 and 8,536.72 is: 12,805.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.16 : 18,666.24 = 8,536.72 : x
  2. Step 2: Convert to fraction form
    12,444.16/18,666.24 = 8,536.72/x
  3. Step 3: Cross multiply
    12,444.16x = 18,666.24 × 8,536.72
  4. Step 4: Simplify right side
    12,444.16x = 159,348,464.33
  5. Step 5: Solve for x
    x = 159,348,464.33/12,444.16
  6. Step 6: Final answer
    x = 12,805.08

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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.