Home / 9,115.24-13,672.86-7,038.28

Finding the Fourth Proportional to 9,115.24, 13,672.86 and 7,038.28

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Solution

The fourth proportional to 9,115.24, 13,672.86 and 7,038.28 is: 10,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,115.24 : 13,672.86 = 7,038.28 : x
  2. Step 2: Convert to fraction form
    9,115.24/13,672.86 = 7,038.28/x
  3. Step 3: Cross multiply
    9,115.24x = 13,672.86 × 7,038.28
  4. Step 4: Simplify right side
    9,115.24x = 96,233,417.08
  5. Step 5: Solve for x
    x = 96,233,417.08/9,115.24
  6. Step 6: Final answer
    x = 10,557.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.