Home / 19,669.29-29,503.52-4,878.28

Finding the Fourth Proportional to 19,669.29, 29,503.52 and 4,878.28

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Solution

The fourth proportional to 19,669.29, 29,503.52 and 4,878.28 is: 7,317.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,669.29 : 29,503.52 = 4,878.28 : x
  2. Step 2: Convert to fraction form
    19,669.29/29,503.52 = 4,878.28/x
  3. Step 3: Cross multiply
    19,669.29x = 29,503.52 × 4,878.28
  4. Step 4: Simplify right side
    19,669.29x = 143,926,431.55
  5. Step 5: Solve for x
    x = 143,926,431.55/19,669.29
  6. Step 6: Final answer
    x = 7,317.32

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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.