Home / 10,878.08-16,334.80-10,069.60

Finding the Fourth Proportional to 10,878.08, 16,334.80 and 10,069.60

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Solution

The fourth proportional to 10,878.08, 16,334.80 and 10,069.60 is: 15,120.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,878.08 : 16,334.80 = 10,069.60 : x
  2. Step 2: Convert to fraction form
    10,878.08/16,334.80 = 10,069.60/x
  3. Step 3: Cross multiply
    10,878.08x = 16,334.80 × 10,069.60
  4. Step 4: Simplify right side
    10,878.08x = 164,484,902.08
  5. Step 5: Solve for x
    x = 164,484,902.08/10,878.08
  6. Step 6: Final answer
    x = 15,120.77

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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.