Home / 19,311.52-26,663.04-14,621.44

Finding the Fourth Proportional to 19,311.52, 26,663.04 and 14,621.44

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Solution

The fourth proportional to 19,311.52, 26,663.04 and 14,621.44 is: 20,187.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.52 : 26,663.04 = 14,621.44 : x
  2. Step 2: Convert to fraction form
    19,311.52/26,663.04 = 14,621.44/x
  3. Step 3: Cross multiply
    19,311.52x = 26,663.04 × 14,621.44
  4. Step 4: Simplify right side
    19,311.52x = 389,852,039.58
  5. Step 5: Solve for x
    x = 389,852,039.58/19,311.52
  6. Step 6: Final answer
    x = 20,187.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.