Home / 14,399.86-21,551.02-8,856.72

Finding the Fourth Proportional to 14,399.86, 21,551.02 and 8,856.72

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Solution

The fourth proportional to 14,399.86, 21,551.02 and 8,856.72 is: 13,255.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,399.86 : 21,551.02 = 8,856.72 : x
  2. Step 2: Convert to fraction form
    14,399.86/21,551.02 = 8,856.72/x
  3. Step 3: Cross multiply
    14,399.86x = 21,551.02 × 8,856.72
  4. Step 4: Simplify right side
    14,399.86x = 190,871,349.85
  5. Step 5: Solve for x
    x = 190,871,349.85/14,399.86
  6. Step 6: Final answer
    x = 13,255.08

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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.