Home / 18,459.56-27,707.81-9,712.91

Finding the Fourth Proportional to 18,459.56, 27,707.81 and 9,712.91

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Solution

The fourth proportional to 18,459.56, 27,707.81 and 9,712.91 is: 14,579.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,459.56 : 27,707.81 = 9,712.91 : x
  2. Step 2: Convert to fraction form
    18,459.56/27,707.81 = 9,712.91/x
  3. Step 3: Cross multiply
    18,459.56x = 27,707.81 × 9,712.91
  4. Step 4: Simplify right side
    18,459.56x = 269,123,485.53
  5. Step 5: Solve for x
    x = 269,123,485.53/18,459.56
  6. Step 6: Final answer
    x = 14,579.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.