Home / 13,114.08-19,560.42-11,009.52

Finding the Fourth Proportional to 13,114.08, 19,560.42 and 11,009.52

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Solution

The fourth proportional to 13,114.08, 19,560.42 and 11,009.52 is: 16,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,114.08 : 19,560.42 = 11,009.52 : x
  2. Step 2: Convert to fraction form
    13,114.08/19,560.42 = 11,009.52/x
  3. Step 3: Cross multiply
    13,114.08x = 19,560.42 × 11,009.52
  4. Step 4: Simplify right side
    13,114.08x = 215,350,835.20
  5. Step 5: Solve for x
    x = 215,350,835.20/13,114.08
  6. Step 6: Final answer
    x = 16,421.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.