Home / 14,585.43-20,119.50-9,205.95

Finding the Fourth Proportional to 14,585.43, 20,119.50 and 9,205.95

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Solution

The fourth proportional to 14,585.43, 20,119.50 and 9,205.95 is: 12,698.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,585.43 : 20,119.50 = 9,205.95 : x
  2. Step 2: Convert to fraction form
    14,585.43/20,119.50 = 9,205.95/x
  3. Step 3: Cross multiply
    14,585.43x = 20,119.50 × 9,205.95
  4. Step 4: Simplify right side
    14,585.43x = 185,219,111.03
  5. Step 5: Solve for x
    x = 185,219,111.03/14,585.43
  6. Step 6: Final answer
    x = 12,698.92

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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.