Home / 19,541.80-29,322.42-9,154.36

Finding the Fourth Proportional to 19,541.80, 29,322.42 and 9,154.36

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Solution

The fourth proportional to 19,541.80, 29,322.42 and 9,154.36 is: 13,736.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,541.80 : 29,322.42 = 9,154.36 : x
  2. Step 2: Convert to fraction form
    19,541.80/29,322.42 = 9,154.36/x
  3. Step 3: Cross multiply
    19,541.80x = 29,322.42 × 9,154.36
  4. Step 4: Simplify right side
    19,541.80x = 268,427,988.75
  5. Step 5: Solve for x
    x = 268,427,988.75/19,541.80
  6. Step 6: Final answer
    x = 13,736.09

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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.