Home / 10,684.04-14,742.81-6,206.90

Finding the Fourth Proportional to 10,684.04, 14,742.81 and 6,206.90

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Solution

The fourth proportional to 10,684.04, 14,742.81 and 6,206.90 is: 8,564.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,684.04 : 14,742.81 = 6,206.90 : x
  2. Step 2: Convert to fraction form
    10,684.04/14,742.81 = 6,206.90/x
  3. Step 3: Cross multiply
    10,684.04x = 14,742.81 × 6,206.90
  4. Step 4: Simplify right side
    10,684.04x = 91,507,073.67
  5. Step 5: Solve for x
    x = 91,507,073.67/10,684.04
  6. Step 6: Final answer
    x = 8,564.84

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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.