Home / 19,347.53-29,021.33-5,307.75

Finding the Fourth Proportional to 19,347.53, 29,021.33 and 5,307.75

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Solution

The fourth proportional to 19,347.53, 29,021.33 and 5,307.75 is: 7,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.53 : 29,021.33 = 5,307.75 : x
  2. Step 2: Convert to fraction form
    19,347.53/29,021.33 = 5,307.75/x
  3. Step 3: Cross multiply
    19,347.53x = 29,021.33 × 5,307.75
  4. Step 4: Simplify right side
    19,347.53x = 154,038,066.66
  5. Step 5: Solve for x
    x = 154,038,066.66/19,347.53
  6. Step 6: Final answer
    x = 7,961.64

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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.