Home / 14,015.64-19,340.60-7,727.88

Finding the Fourth Proportional to 14,015.64, 19,340.60 and 7,727.88

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Solution

The fourth proportional to 14,015.64, 19,340.60 and 7,727.88 is: 10,663.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,015.64 : 19,340.60 = 7,727.88 : x
  2. Step 2: Convert to fraction form
    14,015.64/19,340.60 = 7,727.88/x
  3. Step 3: Cross multiply
    14,015.64x = 19,340.60 × 7,727.88
  4. Step 4: Simplify right side
    14,015.64x = 149,461,797.29
  5. Step 5: Solve for x
    x = 149,461,797.29/14,015.64
  6. Step 6: Final answer
    x = 10,663.93

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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.