Home / 13,316-19,973.46-3,955.64

Finding the Fourth Proportional to 13,316, 19,973.46 and 3,955.64

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Solution

The fourth proportional to 13,316, 19,973.46 and 3,955.64 is: 5,933.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,316 : 19,973.46 = 3,955.64 : x
  2. Step 2: Convert to fraction form
    13,316/19,973.46 = 3,955.64/x
  3. Step 3: Cross multiply
    13,316x = 19,973.46 × 3,955.64
  4. Step 4: Simplify right side
    13,316x = 79,007,817.31
  5. Step 5: Solve for x
    x = 79,007,817.31/13,316
  6. Step 6: Final answer
    x = 5,933.30

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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.