Home / 13,133.82-19,701-4,368.81

Finding the Fourth Proportional to 13,133.82, 19,701 and 4,368.81

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Solution

The fourth proportional to 13,133.82, 19,701 and 4,368.81 is: 6,553.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,133.82 : 19,701 = 4,368.81 : x
  2. Step 2: Convert to fraction form
    13,133.82/19,701 = 4,368.81/x
  3. Step 3: Cross multiply
    13,133.82x = 19,701 × 4,368.81
  4. Step 4: Simplify right side
    13,133.82x = 86,069,925.81
  5. Step 5: Solve for x
    x = 86,069,925.81/13,133.82
  6. Step 6: Final answer
    x = 6,553.30

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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.