Home / 19,493.76-29,252.64-9,106.56

Finding the Fourth Proportional to 19,493.76, 29,252.64 and 9,106.56

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Solution

The fourth proportional to 19,493.76, 29,252.64 and 9,106.56 is: 13,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.76 : 29,252.64 = 9,106.56 : x
  2. Step 2: Convert to fraction form
    19,493.76/29,252.64 = 9,106.56/x
  3. Step 3: Cross multiply
    19,493.76x = 29,252.64 × 9,106.56
  4. Step 4: Simplify right side
    19,493.76x = 266,390,921.32
  5. Step 5: Solve for x
    x = 266,390,921.32/19,493.76
  6. Step 6: Final answer
    x = 13,665.45

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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.