Home / 12,801.40-19,202.10-10,036.60

Finding the Fourth Proportional to 12,801.40, 19,202.10 and 10,036.60

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Solution

The fourth proportional to 12,801.40, 19,202.10 and 10,036.60 is: 15,054.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801.40 : 19,202.10 = 10,036.60 : x
  2. Step 2: Convert to fraction form
    12,801.40/19,202.10 = 10,036.60/x
  3. Step 3: Cross multiply
    12,801.40x = 19,202.10 × 10,036.60
  4. Step 4: Simplify right side
    12,801.40x = 192,723,796.86
  5. Step 5: Solve for x
    x = 192,723,796.86/12,801.40
  6. Step 6: Final answer
    x = 15,054.90

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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.