Home / 11,900.28-16,430.08-7,653.24

Finding the Fourth Proportional to 11,900.28, 16,430.08 and 7,653.24

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Solution

The fourth proportional to 11,900.28, 16,430.08 and 7,653.24 is: 10,566.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,900.28 : 16,430.08 = 7,653.24 : x
  2. Step 2: Convert to fraction form
    11,900.28/16,430.08 = 7,653.24/x
  3. Step 3: Cross multiply
    11,900.28x = 16,430.08 × 7,653.24
  4. Step 4: Simplify right side
    11,900.28x = 125,743,345.46
  5. Step 5: Solve for x
    x = 125,743,345.46/11,900.28
  6. Step 6: Final answer
    x = 10,566.42

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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.