Home / 13,167.81-19,750.28-5,273.64

Finding the Fourth Proportional to 13,167.81, 19,750.28 and 5,273.64

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Solution

The fourth proportional to 13,167.81, 19,750.28 and 5,273.64 is: 7,909.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,167.81 : 19,750.28 = 5,273.64 : x
  2. Step 2: Convert to fraction form
    13,167.81/19,750.28 = 5,273.64/x
  3. Step 3: Cross multiply
    13,167.81x = 19,750.28 × 5,273.64
  4. Step 4: Simplify right side
    13,167.81x = 104,155,840.25
  5. Step 5: Solve for x
    x = 104,155,840.25/13,167.81
  6. Step 6: Final answer
    x = 7,909.88

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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.