Home / 14,776.66-22,139.93-8,920.97

Finding the Fourth Proportional to 14,776.66, 22,139.93 and 8,920.97

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Solution

The fourth proportional to 14,776.66, 22,139.93 and 8,920.97 is: 13,366.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,776.66 : 22,139.93 = 8,920.97 : x
  2. Step 2: Convert to fraction form
    14,776.66/22,139.93 = 8,920.97/x
  3. Step 3: Cross multiply
    14,776.66x = 22,139.93 × 8,920.97
  4. Step 4: Simplify right side
    14,776.66x = 197,509,645.96
  5. Step 5: Solve for x
    x = 197,509,645.96/14,776.66
  6. Step 6: Final answer
    x = 13,366.32

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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.