Home / 19,655.80-29,484.61-5,617.85

Finding the Fourth Proportional to 19,655.80, 29,484.61 and 5,617.85

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Solution

The fourth proportional to 19,655.80, 29,484.61 and 5,617.85 is: 8,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.80 : 29,484.61 = 5,617.85 : x
  2. Step 2: Convert to fraction form
    19,655.80/29,484.61 = 5,617.85/x
  3. Step 3: Cross multiply
    19,655.80x = 29,484.61 × 5,617.85
  4. Step 4: Simplify right side
    19,655.80x = 165,639,954.82
  5. Step 5: Solve for x
    x = 165,639,954.82/19,655.80
  6. Step 6: Final answer
    x = 8,427.03

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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.