Home / 9,478.08-13,073.22-7,485.48

Finding the Fourth Proportional to 9,478.08, 13,073.22 and 7,485.48

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Solution

The fourth proportional to 9,478.08, 13,073.22 and 7,485.48 is: 10,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,478.08 : 13,073.22 = 7,485.48 : x
  2. Step 2: Convert to fraction form
    9,478.08/13,073.22 = 7,485.48/x
  3. Step 3: Cross multiply
    9,478.08x = 13,073.22 × 7,485.48
  4. Step 4: Simplify right side
    9,478.08x = 97,859,326.85
  5. Step 5: Solve for x
    x = 97,859,326.85/9,478.08
  6. Step 6: Final answer
    x = 10,324.80

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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.