Home / 19,639.36-29,454.59-5,599.09

Finding the Fourth Proportional to 19,639.36, 29,454.59 and 5,599.09

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Solution

The fourth proportional to 19,639.36, 29,454.59 and 5,599.09 is: 8,397.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.36 : 29,454.59 = 5,599.09 : x
  2. Step 2: Convert to fraction form
    19,639.36/29,454.59 = 5,599.09/x
  3. Step 3: Cross multiply
    19,639.36x = 29,454.59 × 5,599.09
  4. Step 4: Simplify right side
    19,639.36x = 164,918,900.32
  5. Step 5: Solve for x
    x = 164,918,900.32/19,639.36
  6. Step 6: Final answer
    x = 8,397.37

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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.