Home / 10,922.08-16,400.80-10,113.60

Finding the Fourth Proportional to 10,922.08, 16,400.80 and 10,113.60

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Solution

The fourth proportional to 10,922.08, 16,400.80 and 10,113.60 is: 15,186.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,922.08 : 16,400.80 = 10,113.60 : x
  2. Step 2: Convert to fraction form
    10,922.08/16,400.80 = 10,113.60/x
  3. Step 3: Cross multiply
    10,922.08x = 16,400.80 × 10,113.60
  4. Step 4: Simplify right side
    10,922.08x = 165,871,130.88
  5. Step 5: Solve for x
    x = 165,871,130.88/10,922.08
  6. Step 6: Final answer
    x = 15,186.77

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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.