Home / 13,250.21-19,875.83-6,672.80

Finding the Fourth Proportional to 13,250.21, 19,875.83 and 6,672.80

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Solution

The fourth proportional to 13,250.21, 19,875.83 and 6,672.80 is: 10,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,250.21 : 19,875.83 = 6,672.80 : x
  2. Step 2: Convert to fraction form
    13,250.21/19,875.83 = 6,672.80/x
  3. Step 3: Cross multiply
    13,250.21x = 19,875.83 × 6,672.80
  4. Step 4: Simplify right side
    13,250.21x = 132,627,454.75
  5. Step 5: Solve for x
    x = 132,627,454.75/13,250.21
  6. Step 6: Final answer
    x = 10,009.46

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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.