Home / 12,699.32-19,056.84-6,126.16

Finding the Fourth Proportional to 12,699.32, 19,056.84 and 6,126.16

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Solution

The fourth proportional to 12,699.32, 19,056.84 and 6,126.16 is: 9,193.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,699.32 : 19,056.84 = 6,126.16 : x
  2. Step 2: Convert to fraction form
    12,699.32/19,056.84 = 6,126.16/x
  3. Step 3: Cross multiply
    12,699.32x = 19,056.84 × 6,126.16
  4. Step 4: Simplify right side
    12,699.32x = 116,745,250.93
  5. Step 5: Solve for x
    x = 116,745,250.93/12,699.32
  6. Step 6: Final answer
    x = 9,193.03

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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.