Home / 13,441.02-20,133.80-7,877.46

Finding the Fourth Proportional to 13,441.02, 20,133.80 and 7,877.46

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Solution

The fourth proportional to 13,441.02, 20,133.80 and 7,877.46 is: 11,799.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.02 : 20,133.80 = 7,877.46 : x
  2. Step 2: Convert to fraction form
    13,441.02/20,133.80 = 7,877.46/x
  3. Step 3: Cross multiply
    13,441.02x = 20,133.80 × 7,877.46
  4. Step 4: Simplify right side
    13,441.02x = 158,603,204.15
  5. Step 5: Solve for x
    x = 158,603,204.15/13,441.02
  6. Step 6: Final answer
    x = 11,799.94

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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.