Home / 14,036.48-21,043.54-8,106.62

Finding the Fourth Proportional to 14,036.48, 21,043.54 and 8,106.62

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Solution

The fourth proportional to 14,036.48, 21,043.54 and 8,106.62 is: 12,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,036.48 : 21,043.54 = 8,106.62 : x
  2. Step 2: Convert to fraction form
    14,036.48/21,043.54 = 8,106.62/x
  3. Step 3: Cross multiply
    14,036.48x = 21,043.54 × 8,106.62
  4. Step 4: Simplify right side
    14,036.48x = 170,591,856.75
  5. Step 5: Solve for x
    x = 170,591,856.75/14,036.48
  6. Step 6: Final answer
    x = 12,153.47

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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.