Home / 10,431.16-15,625.88-6,268.89

Finding the Fourth Proportional to 10,431.16, 15,625.88 and 6,268.89

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Solution

The fourth proportional to 10,431.16, 15,625.88 and 6,268.89 is: 9,390.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.16 : 15,625.88 = 6,268.89 : x
  2. Step 2: Convert to fraction form
    10,431.16/15,625.88 = 6,268.89/x
  3. Step 3: Cross multiply
    10,431.16x = 15,625.88 × 6,268.89
  4. Step 4: Simplify right side
    10,431.16x = 97,956,994.26
  5. Step 5: Solve for x
    x = 97,956,994.26/10,431.16
  6. Step 6: Final answer
    x = 9,390.81

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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.