Home / 14,854.14-20,507.40-8,887.68

Finding the Fourth Proportional to 14,854.14, 20,507.40 and 8,887.68

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Solution

The fourth proportional to 14,854.14, 20,507.40 and 8,887.68 is: 12,270.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.14 : 20,507.40 = 8,887.68 : x
  2. Step 2: Convert to fraction form
    14,854.14/20,507.40 = 8,887.68/x
  3. Step 3: Cross multiply
    14,854.14x = 20,507.40 × 8,887.68
  4. Step 4: Simplify right side
    14,854.14x = 182,263,208.83
  5. Step 5: Solve for x
    x = 182,263,208.83/14,854.14
  6. Step 6: Final answer
    x = 12,270.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.