Home / 13,120.77-19,675.94-4,798.89

Finding the Fourth Proportional to 13,120.77, 19,675.94 and 4,798.89

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Solution

The fourth proportional to 13,120.77, 19,675.94 and 4,798.89 is: 7,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,120.77 : 19,675.94 = 4,798.89 : x
  2. Step 2: Convert to fraction form
    13,120.77/19,675.94 = 4,798.89/x
  3. Step 3: Cross multiply
    13,120.77x = 19,675.94 × 4,798.89
  4. Step 4: Simplify right side
    13,120.77x = 94,422,647.71
  5. Step 5: Solve for x
    x = 94,422,647.71/13,120.77
  6. Step 6: Final answer
    x = 7,196.43

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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.