Home / 18,567.65-27,852.38-6,878.13

Finding the Fourth Proportional to 18,567.65, 27,852.38 and 6,878.13

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Solution

The fourth proportional to 18,567.65, 27,852.38 and 6,878.13 is: 10,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.65 : 27,852.38 = 6,878.13 : x
  2. Step 2: Convert to fraction form
    18,567.65/27,852.38 = 6,878.13/x
  3. Step 3: Cross multiply
    18,567.65x = 27,852.38 × 6,878.13
  4. Step 4: Simplify right side
    18,567.65x = 191,572,307.64
  5. Step 5: Solve for x
    x = 191,572,307.64/18,567.65
  6. Step 6: Final answer
    x = 10,317.53

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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.