Home / 18,397.36-27,579.40-6,707.84

Finding the Fourth Proportional to 18,397.36, 27,579.40 and 6,707.84

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Solution

The fourth proportional to 18,397.36, 27,579.40 and 6,707.84 is: 10,055.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.36 : 27,579.40 = 6,707.84 : x
  2. Step 2: Convert to fraction form
    18,397.36/27,579.40 = 6,707.84/x
  3. Step 3: Cross multiply
    18,397.36x = 27,579.40 × 6,707.84
  4. Step 4: Simplify right side
    18,397.36x = 184,998,254.67
  5. Step 5: Solve for x
    x = 184,998,254.67/18,397.36
  6. Step 6: Final answer
    x = 10,055.70

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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.