Home / 12,887.44-19,332.69-4,565.77

Finding the Fourth Proportional to 12,887.44, 19,332.69 and 4,565.77

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Solution

The fourth proportional to 12,887.44, 19,332.69 and 4,565.77 is: 6,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.44 : 19,332.69 = 4,565.77 : x
  2. Step 2: Convert to fraction form
    12,887.44/19,332.69 = 4,565.77/x
  3. Step 3: Cross multiply
    12,887.44x = 19,332.69 × 4,565.77
  4. Step 4: Simplify right side
    12,887.44x = 88,268,616.02
  5. Step 5: Solve for x
    x = 88,268,616.02/12,887.44
  6. Step 6: Final answer
    x = 6,849.20

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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.