Home / 14,449.02-21,655.80-8,214.26

Finding the Fourth Proportional to 14,449.02, 21,655.80 and 8,214.26

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Solution

The fourth proportional to 14,449.02, 21,655.80 and 8,214.26 is: 12,311.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,449.02 : 21,655.80 = 8,214.26 : x
  2. Step 2: Convert to fraction form
    14,449.02/21,655.80 = 8,214.26/x
  3. Step 3: Cross multiply
    14,449.02x = 21,655.80 × 8,214.26
  4. Step 4: Simplify right side
    14,449.02x = 177,886,371.71
  5. Step 5: Solve for x
    x = 177,886,371.71/14,449.02
  6. Step 6: Final answer
    x = 12,311.31

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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.