Home / 13,330.88-19,999.71-4,565.77

Finding the Fourth Proportional to 13,330.88, 19,999.71 and 4,565.77

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Solution

The fourth proportional to 13,330.88, 19,999.71 and 4,565.77 is: 6,849.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330.88 : 19,999.71 = 4,565.77 : x
  2. Step 2: Convert to fraction form
    13,330.88/19,999.71 = 4,565.77/x
  3. Step 3: Cross multiply
    13,330.88x = 19,999.71 × 4,565.77
  4. Step 4: Simplify right side
    13,330.88x = 91,314,025.93
  5. Step 5: Solve for x
    x = 91,314,025.93/13,330.88
  6. Step 6: Final answer
    x = 6,849.81

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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.