Home / 13,555.98-20,256.27-10,332.44

Finding the Fourth Proportional to 13,555.98, 20,256.27 and 10,332.44

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Solution

The fourth proportional to 13,555.98, 20,256.27 and 10,332.44 is: 15,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.98 : 20,256.27 = 10,332.44 : x
  2. Step 2: Convert to fraction form
    13,555.98/20,256.27 = 10,332.44/x
  3. Step 3: Cross multiply
    13,555.98x = 20,256.27 × 10,332.44
  4. Step 4: Simplify right side
    13,555.98x = 209,296,707.83
  5. Step 5: Solve for x
    x = 209,296,707.83/13,555.98
  6. Step 6: Final answer
    x = 15,439.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.