Home / 13,210.58-19,818.46-4,890.66

Finding the Fourth Proportional to 13,210.58, 19,818.46 and 4,890.66

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Solution

The fourth proportional to 13,210.58, 19,818.46 and 4,890.66 is: 7,336.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,210.58 : 19,818.46 = 4,890.66 : x
  2. Step 2: Convert to fraction form
    13,210.58/19,818.46 = 4,890.66/x
  3. Step 3: Cross multiply
    13,210.58x = 19,818.46 × 4,890.66
  4. Step 4: Simplify right side
    13,210.58x = 96,925,349.58
  5. Step 5: Solve for x
    x = 96,925,349.58/13,210.58
  6. Step 6: Final answer
    x = 7,336.95

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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.