Home / 10,880.36-15,017.04-6,407.96

Finding the Fourth Proportional to 10,880.36, 15,017.04 and 6,407.96

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Solution

The fourth proportional to 10,880.36, 15,017.04 and 6,407.96 is: 8,844.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880.36 : 15,017.04 = 6,407.96 : x
  2. Step 2: Convert to fraction form
    10,880.36/15,017.04 = 6,407.96/x
  3. Step 3: Cross multiply
    10,880.36x = 15,017.04 × 6,407.96
  4. Step 4: Simplify right side
    10,880.36x = 96,228,591.64
  5. Step 5: Solve for x
    x = 96,228,591.64/10,880.36
  6. Step 6: Final answer
    x = 8,844.25

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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.