Home / 13,731.58-18,953.22-9,483.34

Finding the Fourth Proportional to 13,731.58, 18,953.22 and 9,483.34

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Solution

The fourth proportional to 13,731.58, 18,953.22 and 9,483.34 is: 13,089.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,731.58 : 18,953.22 = 9,483.34 : x
  2. Step 2: Convert to fraction form
    13,731.58/18,953.22 = 9,483.34/x
  3. Step 3: Cross multiply
    13,731.58x = 18,953.22 × 9,483.34
  4. Step 4: Simplify right side
    13,731.58x = 179,739,829.35
  5. Step 5: Solve for x
    x = 179,739,829.35/13,731.58
  6. Step 6: Final answer
    x = 13,089.52

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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.