Home / 12,827.90-19,259.53-8,869.43

Finding the Fourth Proportional to 12,827.90, 19,259.53 and 8,869.43

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Solution

The fourth proportional to 12,827.90, 19,259.53 and 8,869.43 is: 13,316.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.90 : 19,259.53 = 8,869.43 : x
  2. Step 2: Convert to fraction form
    12,827.90/19,259.53 = 8,869.43/x
  3. Step 3: Cross multiply
    12,827.90x = 19,259.53 × 8,869.43
  4. Step 4: Simplify right side
    12,827.90x = 170,821,053.17
  5. Step 5: Solve for x
    x = 170,821,053.17/12,827.90
  6. Step 6: Final answer
    x = 13,316.37

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1.5x scale

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.