Home / 9,449.15-13,037.40-6,465.91

Finding the Fourth Proportional to 9,449.15, 13,037.40 and 6,465.91

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Solution

The fourth proportional to 9,449.15, 13,037.40 and 6,465.91 is: 8,921.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,449.15 : 13,037.40 = 6,465.91 : x
  2. Step 2: Convert to fraction form
    9,449.15/13,037.40 = 6,465.91/x
  3. Step 3: Cross multiply
    9,449.15x = 13,037.40 × 6,465.91
  4. Step 4: Simplify right side
    9,449.15x = 84,298,606.01
  5. Step 5: Solve for x
    x = 84,298,606.01/9,449.15
  6. Step 6: Final answer
    x = 8,921.29

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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.