Home / 12,666.24-18,999.75-4,346.15

Finding the Fourth Proportional to 12,666.24, 18,999.75 and 4,346.15

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Solution

The fourth proportional to 12,666.24, 18,999.75 and 4,346.15 is: 6,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,666.24 : 18,999.75 = 4,346.15 : x
  2. Step 2: Convert to fraction form
    12,666.24/18,999.75 = 4,346.15/x
  3. Step 3: Cross multiply
    12,666.24x = 18,999.75 × 4,346.15
  4. Step 4: Simplify right side
    12,666.24x = 82,575,668.46
  5. Step 5: Solve for x
    x = 82,575,668.46/12,666.24
  6. Step 6: Final answer
    x = 6,519.35

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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.