Home / 11,812.56-16,301.45-6,507.51

Finding the Fourth Proportional to 11,812.56, 16,301.45 and 6,507.51

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Solution

The fourth proportional to 11,812.56, 16,301.45 and 6,507.51 is: 8,980.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,812.56 : 16,301.45 = 6,507.51 : x
  2. Step 2: Convert to fraction form
    11,812.56/16,301.45 = 6,507.51/x
  3. Step 3: Cross multiply
    11,812.56x = 16,301.45 × 6,507.51
  4. Step 4: Simplify right side
    11,812.56x = 106,081,848.89
  5. Step 5: Solve for x
    x = 106,081,848.89/11,812.56
  6. Step 6: Final answer
    x = 8,980.43

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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.