Home / 18,146.23-27,212.32-7,051.45

Finding the Fourth Proportional to 18,146.23, 27,212.32 and 7,051.45

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Solution

The fourth proportional to 18,146.23, 27,212.32 and 7,051.45 is: 10,574.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.23 : 27,212.32 = 7,051.45 : x
  2. Step 2: Convert to fraction form
    18,146.23/27,212.32 = 7,051.45/x
  3. Step 3: Cross multiply
    18,146.23x = 27,212.32 × 7,051.45
  4. Step 4: Simplify right side
    18,146.23x = 191,886,313.86
  5. Step 5: Solve for x
    x = 191,886,313.86/18,146.23
  6. Step 6: Final answer
    x = 10,574.45

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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.