Home / 12,069.40-16,656.24-7,350.34

Finding the Fourth Proportional to 12,069.40, 16,656.24 and 7,350.34

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Solution

The fourth proportional to 12,069.40, 16,656.24 and 7,350.34 is: 10,143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,069.40 : 16,656.24 = 7,350.34 : x
  2. Step 2: Convert to fraction form
    12,069.40/16,656.24 = 7,350.34/x
  3. Step 3: Cross multiply
    12,069.40x = 16,656.24 × 7,350.34
  4. Step 4: Simplify right side
    12,069.40x = 122,429,027.12
  5. Step 5: Solve for x
    x = 122,429,027.12/12,069.40
  6. Step 6: Final answer
    x = 10,143.75

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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.