Home / 13,087-19,635.75-4,767.59

Finding the Fourth Proportional to 13,087, 19,635.75 and 4,767.59

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Solution

The fourth proportional to 13,087, 19,635.75 and 4,767.59 is: 7,153.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087 : 19,635.75 = 4,767.59 : x
  2. Step 2: Convert to fraction form
    13,087/19,635.75 = 4,767.59/x
  3. Step 3: Cross multiply
    13,087x = 19,635.75 × 4,767.59
  4. Step 4: Simplify right side
    13,087x = 93,615,205.34
  5. Step 5: Solve for x
    x = 93,615,205.34/13,087
  6. Step 6: Final answer
    x = 7,153.30

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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.