Home / 14,582.31-20,120.40-9,275.19

Finding the Fourth Proportional to 14,582.31, 20,120.40 and 9,275.19

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Solution

The fourth proportional to 14,582.31, 20,120.40 and 9,275.19 is: 12,797.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,582.31 : 20,120.40 = 9,275.19 : x
  2. Step 2: Convert to fraction form
    14,582.31/20,120.40 = 9,275.19/x
  3. Step 3: Cross multiply
    14,582.31x = 20,120.40 × 9,275.19
  4. Step 4: Simplify right side
    14,582.31x = 186,620,532.88
  5. Step 5: Solve for x
    x = 186,620,532.88/14,582.31
  6. Step 6: Final answer
    x = 12,797.73

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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.