Home / 14,054.28-19,394.90-7,680.96

Finding the Fourth Proportional to 14,054.28, 19,394.90 and 7,680.96

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Solution

The fourth proportional to 14,054.28, 19,394.90 and 7,680.96 is: 10,599.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.28 : 19,394.90 = 7,680.96 : x
  2. Step 2: Convert to fraction form
    14,054.28/19,394.90 = 7,680.96/x
  3. Step 3: Cross multiply
    14,054.28x = 19,394.90 × 7,680.96
  4. Step 4: Simplify right side
    14,054.28x = 148,971,451.10
  5. Step 5: Solve for x
    x = 148,971,451.10/14,054.28
  6. Step 6: Final answer
    x = 10,599.72

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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.