Home / 15,133.24-20,880.80-8,844.40

Finding the Fourth Proportional to 15,133.24, 20,880.80 and 8,844.40

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Solution

The fourth proportional to 15,133.24, 20,880.80 and 8,844.40 is: 12,203.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.24 : 20,880.80 = 8,844.40 : x
  2. Step 2: Convert to fraction form
    15,133.24/20,880.80 = 8,844.40/x
  3. Step 3: Cross multiply
    15,133.24x = 20,880.80 × 8,844.40
  4. Step 4: Simplify right side
    15,133.24x = 184,678,147.52
  5. Step 5: Solve for x
    x = 184,678,147.52/15,133.24
  6. Step 6: Final answer
    x = 12,203.48

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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.