Home / 9,895.12-13,661.96-6,312.10

Finding the Fourth Proportional to 9,895.12, 13,661.96 and 6,312.10

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Solution

The fourth proportional to 9,895.12, 13,661.96 and 6,312.10 is: 8,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,895.12 : 13,661.96 = 6,312.10 : x
  2. Step 2: Convert to fraction form
    9,895.12/13,661.96 = 6,312.10/x
  3. Step 3: Cross multiply
    9,895.12x = 13,661.96 × 6,312.10
  4. Step 4: Simplify right side
    9,895.12x = 86,235,657.72
  5. Step 5: Solve for x
    x = 86,235,657.72/9,895.12
  6. Step 6: Final answer
    x = 8,714.97

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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.