Home / 16,420.15-24,638.37-7,655.71

Finding the Fourth Proportional to 16,420.15, 24,638.37 and 7,655.71

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Solution

The fourth proportional to 16,420.15, 24,638.37 and 7,655.71 is: 11,487.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.15 : 24,638.37 = 7,655.71 : x
  2. Step 2: Convert to fraction form
    16,420.15/24,638.37 = 7,655.71/x
  3. Step 3: Cross multiply
    16,420.15x = 24,638.37 × 7,655.71
  4. Step 4: Simplify right side
    16,420.15x = 188,624,215.59
  5. Step 5: Solve for x
    x = 188,624,215.59/16,420.15
  6. Step 6: Final answer
    x = 11,487.36

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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.