Home / 10,888.99-15,025.89-6,108.26

Finding the Fourth Proportional to 10,888.99, 15,025.89 and 6,108.26

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Solution

The fourth proportional to 10,888.99, 15,025.89 and 6,108.26 is: 8,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,888.99 : 15,025.89 = 6,108.26 : x
  2. Step 2: Convert to fraction form
    10,888.99/15,025.89 = 6,108.26/x
  3. Step 3: Cross multiply
    10,888.99x = 15,025.89 × 6,108.26
  4. Step 4: Simplify right side
    10,888.99x = 91,782,080.42
  5. Step 5: Solve for x
    x = 91,782,080.42/10,888.99
  6. Step 6: Final answer
    x = 8,428.89

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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.