Home / 14,338.17-19,784.66-7,964.28

Finding the Fourth Proportional to 14,338.17, 19,784.66 and 7,964.28

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Solution

The fourth proportional to 14,338.17, 19,784.66 and 7,964.28 is: 10,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,338.17 : 19,784.66 = 7,964.28 : x
  2. Step 2: Convert to fraction form
    14,338.17/19,784.66 = 7,964.28/x
  3. Step 3: Cross multiply
    14,338.17x = 19,784.66 × 7,964.28
  4. Step 4: Simplify right side
    14,338.17x = 157,570,532.12
  5. Step 5: Solve for x
    x = 157,570,532.12/14,338.17
  6. Step 6: Final answer
    x = 10,989.58

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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.