Home / 10,880.04-16,327.36-6,987.18

Finding the Fourth Proportional to 10,880.04, 16,327.36 and 6,987.18

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Solution

The fourth proportional to 10,880.04, 16,327.36 and 6,987.18 is: 10,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.04 : 16,327.36 = 6,987.18 : x
  2. Step 2: Convert to fraction form
    10,880.04/16,327.36 = 6,987.18/x
  3. Step 3: Cross multiply
    10,880.04x = 16,327.36 × 6,987.18
  4. Step 4: Simplify right side
    10,880.04x = 114,082,185.78
  5. Step 5: Solve for x
    x = 114,082,185.78/10,880.04
  6. Step 6: Final answer
    x = 10,485.46

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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.