Home / 14,393.20-19,851.37-9,359.05

Finding the Fourth Proportional to 14,393.20, 19,851.37 and 9,359.05

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Solution

The fourth proportional to 14,393.20, 19,851.37 and 9,359.05 is: 12,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.20 : 19,851.37 = 9,359.05 : x
  2. Step 2: Convert to fraction form
    14,393.20/19,851.37 = 9,359.05/x
  3. Step 3: Cross multiply
    14,393.20x = 19,851.37 × 9,359.05
  4. Step 4: Simplify right side
    14,393.20x = 185,789,964.40
  5. Step 5: Solve for x
    x = 185,789,964.40/14,393.20
  6. Step 6: Final answer
    x = 12,908.18

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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.