Home / 12,471.21-17,210.48-6,806.00

Finding the Fourth Proportional to 12,471.21, 17,210.48 and 6,806.00

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Solution

The fourth proportional to 12,471.21, 17,210.48 and 6,806.00 is: 9,392.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.21 : 17,210.48 = 6,806.00 : x
  2. Step 2: Convert to fraction form
    12,471.21/17,210.48 = 6,806.00/x
  3. Step 3: Cross multiply
    12,471.21x = 17,210.48 × 6,806.00
  4. Step 4: Simplify right side
    12,471.21x = 117,134,606.53
  5. Step 5: Solve for x
    x = 117,134,606.53/12,471.21
  6. Step 6: Final answer
    x = 9,392.40

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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.