Home / 14,610.71-21,917.28-6,290.93

Finding the Fourth Proportional to 14,610.71, 21,917.28 and 6,290.93

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Solution

The fourth proportional to 14,610.71, 21,917.28 and 6,290.93 is: 9,436.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.71 : 21,917.28 = 6,290.93 : x
  2. Step 2: Convert to fraction form
    14,610.71/21,917.28 = 6,290.93/x
  3. Step 3: Cross multiply
    14,610.71x = 21,917.28 × 6,290.93
  4. Step 4: Simplify right side
    14,610.71x = 137,880,074.27
  5. Step 5: Solve for x
    x = 137,880,074.27/14,610.71
  6. Step 6: Final answer
    x = 9,436.92

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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.