Home / 18,960.82-28,444.57-6,477.91

Finding the Fourth Proportional to 18,960.82, 28,444.57 and 6,477.91

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Solution

The fourth proportional to 18,960.82, 28,444.57 and 6,477.91 is: 9,718.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,960.82 : 28,444.57 = 6,477.91 : x
  2. Step 2: Convert to fraction form
    18,960.82/28,444.57 = 6,477.91/x
  3. Step 3: Cross multiply
    18,960.82x = 28,444.57 × 6,477.91
  4. Step 4: Simplify right side
    18,960.82x = 184,261,277.14
  5. Step 5: Solve for x
    x = 184,261,277.14/18,960.82
  6. Step 6: Final answer
    x = 9,718.00

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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.