Home / 11,446.12-15,779.94-7,903.24

Finding the Fourth Proportional to 11,446.12, 15,779.94 and 7,903.24

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Solution

The fourth proportional to 11,446.12, 15,779.94 and 7,903.24 is: 10,895.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,446.12 : 15,779.94 = 7,903.24 : x
  2. Step 2: Convert to fraction form
    11,446.12/15,779.94 = 7,903.24/x
  3. Step 3: Cross multiply
    11,446.12x = 15,779.94 × 7,903.24
  4. Step 4: Simplify right side
    11,446.12x = 124,712,653.01
  5. Step 5: Solve for x
    x = 124,712,653.01/11,446.12
  6. Step 6: Final answer
    x = 10,895.63

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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.