Home / 14,878.51-22,334.18-8,645.56

Finding the Fourth Proportional to 14,878.51, 22,334.18 and 8,645.56

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Solution

The fourth proportional to 14,878.51, 22,334.18 and 8,645.56 is: 12,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,878.51 : 22,334.18 = 8,645.56 : x
  2. Step 2: Convert to fraction form
    14,878.51/22,334.18 = 8,645.56/x
  3. Step 3: Cross multiply
    14,878.51x = 22,334.18 × 8,645.56
  4. Step 4: Simplify right side
    14,878.51x = 193,091,394.18
  5. Step 5: Solve for x
    x = 193,091,394.18/14,878.51
  6. Step 6: Final answer
    x = 12,977.87

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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.