Home / 13,210.82-19,818.83-4,890.92

Finding the Fourth Proportional to 13,210.82, 19,818.83 and 4,890.92

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Solution

The fourth proportional to 13,210.82, 19,818.83 and 4,890.92 is: 7,337.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.82 : 19,818.83 = 4,890.92 : x
  2. Step 2: Convert to fraction form
    13,210.82/19,818.83 = 4,890.92/x
  3. Step 3: Cross multiply
    13,210.82x = 19,818.83 × 4,890.92
  4. Step 4: Simplify right side
    13,210.82x = 96,932,225.16
  5. Step 5: Solve for x
    x = 96,932,225.16/13,210.82
  6. Step 6: Final answer
    x = 7,337.33

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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.