Home / 14,458.20-21,690.77-4,970.36

Finding the Fourth Proportional to 14,458.20, 21,690.77 and 4,970.36

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Solution

The fourth proportional to 14,458.20, 21,690.77 and 4,970.36 is: 7,456.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.20 : 21,690.77 = 4,970.36 : x
  2. Step 2: Convert to fraction form
    14,458.20/21,690.77 = 4,970.36/x
  3. Step 3: Cross multiply
    14,458.20x = 21,690.77 × 4,970.36
  4. Step 4: Simplify right side
    14,458.20x = 107,810,802.27
  5. Step 5: Solve for x
    x = 107,810,802.27/14,458.20
  6. Step 6: Final answer
    x = 7,456.72

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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.