Home / 19,655.56-29,487.90-5,615.77

Finding the Fourth Proportional to 19,655.56, 29,487.90 and 5,615.77

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Solution

The fourth proportional to 19,655.56, 29,487.90 and 5,615.77 is: 8,424.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.56 : 29,487.90 = 5,615.77 : x
  2. Step 2: Convert to fraction form
    19,655.56/29,487.90 = 5,615.77/x
  3. Step 3: Cross multiply
    19,655.56x = 29,487.90 × 5,615.77
  4. Step 4: Simplify right side
    19,655.56x = 165,597,264.18
  5. Step 5: Solve for x
    x = 165,597,264.18/19,655.56
  6. Step 6: Final answer
    x = 8,424.96

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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.