Home / 13,264.80-19,913.40-13,167.60

Finding the Fourth Proportional to 13,264.80, 19,913.40 and 13,167.60

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Solution

The fourth proportional to 13,264.80, 19,913.40 and 13,167.60 is: 19,767.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,264.80 : 19,913.40 = 13,167.60 : x
  2. Step 2: Convert to fraction form
    13,264.80/19,913.40 = 13,167.60/x
  3. Step 3: Cross multiply
    13,264.80x = 19,913.40 × 13,167.60
  4. Step 4: Simplify right side
    13,264.80x = 262,211,685.84
  5. Step 5: Solve for x
    x = 262,211,685.84/13,264.80
  6. Step 6: Final answer
    x = 19,767.48

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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.