Home / 14,680.62-20,259.32-7,966.25

Finding the Fourth Proportional to 14,680.62, 20,259.32 and 7,966.25

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Solution

The fourth proportional to 14,680.62, 20,259.32 and 7,966.25 is: 10,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,680.62 : 20,259.32 = 7,966.25 : x
  2. Step 2: Convert to fraction form
    14,680.62/20,259.32 = 7,966.25/x
  3. Step 3: Cross multiply
    14,680.62x = 20,259.32 × 7,966.25
  4. Step 4: Simplify right side
    14,680.62x = 161,390,742.79
  5. Step 5: Solve for x
    x = 161,390,742.79/14,680.62
  6. Step 6: Final answer
    x = 10,993.45

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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.