Home / 14,295.08-21,417.02-8,811.56

Finding the Fourth Proportional to 14,295.08, 21,417.02 and 8,811.56

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Solution

The fourth proportional to 14,295.08, 21,417.02 and 8,811.56 is: 13,201.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.08 : 21,417.02 = 8,811.56 : x
  2. Step 2: Convert to fraction form
    14,295.08/21,417.02 = 8,811.56/x
  3. Step 3: Cross multiply
    14,295.08x = 21,417.02 × 8,811.56
  4. Step 4: Simplify right side
    14,295.08x = 188,717,356.75
  5. Step 5: Solve for x
    x = 188,717,356.75/14,295.08
  6. Step 6: Final answer
    x = 13,201.56

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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.