Home / 13,133.81-19,700.89-4,368.73

Finding the Fourth Proportional to 13,133.81, 19,700.89 and 4,368.73

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Solution

The fourth proportional to 13,133.81, 19,700.89 and 4,368.73 is: 6,553.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.81 : 19,700.89 = 4,368.73 : x
  2. Step 2: Convert to fraction form
    13,133.81/19,700.89 = 4,368.73/x
  3. Step 3: Cross multiply
    13,133.81x = 19,700.89 × 4,368.73
  4. Step 4: Simplify right side
    13,133.81x = 86,067,869.17
  5. Step 5: Solve for x
    x = 86,067,869.17/13,133.81
  6. Step 6: Final answer
    x = 6,553.15

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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.