Home / 10,685.07-14,742.87-6,206.16

Finding the Fourth Proportional to 10,685.07, 14,742.87 and 6,206.16

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Solution

The fourth proportional to 10,685.07, 14,742.87 and 6,206.16 is: 8,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.07 : 14,742.87 = 6,206.16 : x
  2. Step 2: Convert to fraction form
    10,685.07/14,742.87 = 6,206.16/x
  3. Step 3: Cross multiply
    10,685.07x = 14,742.87 × 6,206.16
  4. Step 4: Simplify right side
    10,685.07x = 91,496,610.08
  5. Step 5: Solve for x
    x = 91,496,610.08/10,685.07
  6. Step 6: Final answer
    x = 8,563.03

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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.