Home / 13,684.08-18,882.34-7,632.90

Finding the Fourth Proportional to 13,684.08, 18,882.34 and 7,632.90

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Solution

The fourth proportional to 13,684.08, 18,882.34 and 7,632.90 is: 10,532.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.08 : 18,882.34 = 7,632.90 : x
  2. Step 2: Convert to fraction form
    13,684.08/18,882.34 = 7,632.90/x
  3. Step 3: Cross multiply
    13,684.08x = 18,882.34 × 7,632.90
  4. Step 4: Simplify right side
    13,684.08x = 144,127,012.99
  5. Step 5: Solve for x
    x = 144,127,012.99/13,684.08
  6. Step 6: Final answer
    x = 10,532.46

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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.