Home / 14,054.56-19,394.96-7,680.87

Finding the Fourth Proportional to 14,054.56, 19,394.96 and 7,680.87

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Solution

The fourth proportional to 14,054.56, 19,394.96 and 7,680.87 is: 10,599.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.56 : 19,394.96 = 7,680.87 : x
  2. Step 2: Convert to fraction form
    14,054.56/19,394.96 = 7,680.87/x
  3. Step 3: Cross multiply
    14,054.56x = 19,394.96 × 7,680.87
  4. Step 4: Simplify right side
    14,054.56x = 148,970,166.42
  5. Step 5: Solve for x
    x = 148,970,166.42/14,054.56
  6. Step 6: Final answer
    x = 10,599.42

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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.