Home / 13,108.99-19,666.85-4,346.35

Finding the Fourth Proportional to 13,108.99, 19,666.85 and 4,346.35

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Solution

The fourth proportional to 13,108.99, 19,666.85 and 4,346.35 is: 6,520.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.99 : 19,666.85 = 4,346.35 : x
  2. Step 2: Convert to fraction form
    13,108.99/19,666.85 = 4,346.35/x
  3. Step 3: Cross multiply
    13,108.99x = 19,666.85 × 4,346.35
  4. Step 4: Simplify right side
    13,108.99x = 85,478,991.77
  5. Step 5: Solve for x
    x = 85,478,991.77/13,108.99
  6. Step 6: Final answer
    x = 6,520.64

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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.