Home / 19,588.65-29,368.40-9,188.25

Finding the Fourth Proportional to 19,588.65, 29,368.40 and 9,188.25

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Solution

The fourth proportional to 19,588.65, 29,368.40 and 9,188.25 is: 13,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,588.65 : 29,368.40 = 9,188.25 : x
  2. Step 2: Convert to fraction form
    19,588.65/29,368.40 = 9,188.25/x
  3. Step 3: Cross multiply
    19,588.65x = 29,368.40 × 9,188.25
  4. Step 4: Simplify right side
    19,588.65x = 269,844,155.36
  5. Step 5: Solve for x
    x = 269,844,155.36/19,588.65
  6. Step 6: Final answer
    x = 13,775.54

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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.