Home / 10,644.93-14,690.16-6,169.02

Finding the Fourth Proportional to 10,644.93, 14,690.16 and 6,169.02

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Solution

The fourth proportional to 10,644.93, 14,690.16 and 6,169.02 is: 8,513.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.93 : 14,690.16 = 6,169.02 : x
  2. Step 2: Convert to fraction form
    10,644.93/14,690.16 = 6,169.02/x
  3. Step 3: Cross multiply
    10,644.93x = 14,690.16 × 6,169.02
  4. Step 4: Simplify right side
    10,644.93x = 90,623,890.84
  5. Step 5: Solve for x
    x = 90,623,890.84/10,644.93
  6. Step 6: Final answer
    x = 8,513.34

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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.