Home / 12,277.06-18,416.95-5,259.52

Finding the Fourth Proportional to 12,277.06, 18,416.95 and 5,259.52

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Solution

The fourth proportional to 12,277.06, 18,416.95 and 5,259.52 is: 7,889.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,277.06 : 18,416.95 = 5,259.52 : x
  2. Step 2: Convert to fraction form
    12,277.06/18,416.95 = 5,259.52/x
  3. Step 3: Cross multiply
    12,277.06x = 18,416.95 × 5,259.52
  4. Step 4: Simplify right side
    12,277.06x = 96,864,316.86
  5. Step 5: Solve for x
    x = 96,864,316.86/12,277.06
  6. Step 6: Final answer
    x = 7,889.86

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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.