Home / 19,386.40-29,084.01-6,907.75

Finding the Fourth Proportional to 19,386.40, 29,084.01 and 6,907.75

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Solution

The fourth proportional to 19,386.40, 29,084.01 and 6,907.75 is: 10,363.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,386.40 : 29,084.01 = 6,907.75 : x
  2. Step 2: Convert to fraction form
    19,386.40/29,084.01 = 6,907.75/x
  3. Step 3: Cross multiply
    19,386.40x = 29,084.01 × 6,907.75
  4. Step 4: Simplify right side
    19,386.40x = 200,905,070.08
  5. Step 5: Solve for x
    x = 200,905,070.08/19,386.40
  6. Step 6: Final answer
    x = 10,363.20

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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.