Home / 9,119.04-13,680.96-4,184.64

Finding the Fourth Proportional to 9,119.04, 13,680.96 and 4,184.64

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Solution

The fourth proportional to 9,119.04, 13,680.96 and 4,184.64 is: 6,278.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.04 : 13,680.96 = 4,184.64 : x
  2. Step 2: Convert to fraction form
    9,119.04/13,680.96 = 4,184.64/x
  3. Step 3: Cross multiply
    9,119.04x = 13,680.96 × 4,184.64
  4. Step 4: Simplify right side
    9,119.04x = 57,249,892.45
  5. Step 5: Solve for x
    x = 57,249,892.45/9,119.04
  6. Step 6: Final answer
    x = 6,278.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.