Home / 12,887.05-19,327.50-9,417.92

Finding the Fourth Proportional to 12,887.05, 19,327.50 and 9,417.92

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Solution

The fourth proportional to 12,887.05, 19,327.50 and 9,417.92 is: 14,124.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.05 : 19,327.50 = 9,417.92 : x
  2. Step 2: Convert to fraction form
    12,887.05/19,327.50 = 9,417.92/x
  3. Step 3: Cross multiply
    12,887.05x = 19,327.50 × 9,417.92
  4. Step 4: Simplify right side
    12,887.05x = 182,024,847.64
  5. Step 5: Solve for x
    x = 182,024,847.64/12,887.05
  6. Step 6: Final answer
    x = 14,124.63

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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.