Home / 10,154.83-13,982.52-8,888.80

Finding the Fourth Proportional to 10,154.83, 13,982.52 and 8,888.80

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Solution

The fourth proportional to 10,154.83, 13,982.52 and 8,888.80 is: 12,239.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.83 : 13,982.52 = 8,888.80 : x
  2. Step 2: Convert to fraction form
    10,154.83/13,982.52 = 8,888.80/x
  3. Step 3: Cross multiply
    10,154.83x = 13,982.52 × 8,888.80
  4. Step 4: Simplify right side
    10,154.83x = 124,287,814.29
  5. Step 5: Solve for x
    x = 124,287,814.29/10,154.83
  6. Step 6: Final answer
    x = 12,239.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.