Home / 14,014.56-19,340.04-7,727.28

Finding the Fourth Proportional to 14,014.56, 19,340.04 and 7,727.28

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Solution

The fourth proportional to 14,014.56, 19,340.04 and 7,727.28 is: 10,663.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,014.56 : 19,340.04 = 7,727.28 : x
  2. Step 2: Convert to fraction form
    14,014.56/19,340.04 = 7,727.28/x
  3. Step 3: Cross multiply
    14,014.56x = 19,340.04 × 7,727.28
  4. Step 4: Simplify right side
    14,014.56x = 149,445,904.29
  5. Step 5: Solve for x
    x = 149,445,904.29/14,014.56
  6. Step 6: Final answer
    x = 10,663.62

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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.