Home / 19,547.53-29,328.68-11,761.81

Finding the Fourth Proportional to 19,547.53, 29,328.68 and 11,761.81

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Solution

The fourth proportional to 19,547.53, 29,328.68 and 11,761.81 is: 17,647.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,547.53 : 29,328.68 = 11,761.81 : x
  2. Step 2: Convert to fraction form
    19,547.53/29,328.68 = 11,761.81/x
  3. Step 3: Cross multiply
    19,547.53x = 29,328.68 × 11,761.81
  4. Step 4: Simplify right side
    19,547.53x = 344,958,361.71
  5. Step 5: Solve for x
    x = 344,958,361.71/19,547.53
  6. Step 6: Final answer
    x = 17,647.16

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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.