Home / 9,447.80-13,037.10-5,670.92

Finding the Fourth Proportional to 9,447.80, 13,037.10 and 5,670.92

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Solution

The fourth proportional to 9,447.80, 13,037.10 and 5,670.92 is: 7,825.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.80 : 13,037.10 = 5,670.92 : x
  2. Step 2: Convert to fraction form
    9,447.80/13,037.10 = 5,670.92/x
  3. Step 3: Cross multiply
    9,447.80x = 13,037.10 × 5,670.92
  4. Step 4: Simplify right side
    9,447.80x = 73,932,351.13
  5. Step 5: Solve for x
    x = 73,932,351.13/9,447.80
  6. Step 6: Final answer
    x = 7,825.35

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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.