Home / 14,353.89-19,811.70-9,055.95

Finding the Fourth Proportional to 14,353.89, 19,811.70 and 9,055.95

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Solution

The fourth proportional to 14,353.89, 19,811.70 and 9,055.95 is: 12,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,353.89 : 19,811.70 = 9,055.95 : x
  2. Step 2: Convert to fraction form
    14,353.89/19,811.70 = 9,055.95/x
  3. Step 3: Cross multiply
    14,353.89x = 19,811.70 × 9,055.95
  4. Step 4: Simplify right side
    14,353.89x = 179,413,764.62
  5. Step 5: Solve for x
    x = 179,413,764.62/14,353.89
  6. Step 6: Final answer
    x = 12,499.31

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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.