Home / 19,191.52-26,495.76-13,880.80

Finding the Fourth Proportional to 19,191.52, 26,495.76 and 13,880.80

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Solution

The fourth proportional to 19,191.52, 26,495.76 and 13,880.80 is: 19,163.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,191.52 : 26,495.76 = 13,880.80 : x
  2. Step 2: Convert to fraction form
    19,191.52/26,495.76 = 13,880.80/x
  3. Step 3: Cross multiply
    19,191.52x = 26,495.76 × 13,880.80
  4. Step 4: Simplify right side
    19,191.52x = 367,782,345.41
  5. Step 5: Solve for x
    x = 367,782,345.41/19,191.52
  6. Step 6: Final answer
    x = 19,163.79

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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.