Home / 12,861.77-19,277.26-6,624.77

Finding the Fourth Proportional to 12,861.77, 19,277.26 and 6,624.77

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Solution

The fourth proportional to 12,861.77, 19,277.26 and 6,624.77 is: 9,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.77 : 19,277.26 = 6,624.77 : x
  2. Step 2: Convert to fraction form
    12,861.77/19,277.26 = 6,624.77/x
  3. Step 3: Cross multiply
    12,861.77x = 19,277.26 × 6,624.77
  4. Step 4: Simplify right side
    12,861.77x = 127,707,300.78
  5. Step 5: Solve for x
    x = 127,707,300.78/12,861.77
  6. Step 6: Final answer
    x = 9,929.22

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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.