Home / 9,000.14-12,330.26-8,663.51

Finding the Fourth Proportional to 9,000.14, 12,330.26 and 8,663.51

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Solution

The fourth proportional to 9,000.14, 12,330.26 and 8,663.51 is: 11,869.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,000.14 : 12,330.26 = 8,663.51 : x
  2. Step 2: Convert to fraction form
    9,000.14/12,330.26 = 8,663.51/x
  3. Step 3: Cross multiply
    9,000.14x = 12,330.26 × 8,663.51
  4. Step 4: Simplify right side
    9,000.14x = 106,823,225.84
  5. Step 5: Solve for x
    x = 106,823,225.84/9,000.14
  6. Step 6: Final answer
    x = 11,869.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.