Home / 14,357.18-21,535.78-5,470.44

Finding the Fourth Proportional to 14,357.18, 21,535.78 and 5,470.44

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Solution

The fourth proportional to 14,357.18, 21,535.78 and 5,470.44 is: 8,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,357.18 : 21,535.78 = 5,470.44 : x
  2. Step 2: Convert to fraction form
    14,357.18/21,535.78 = 5,470.44/x
  3. Step 3: Cross multiply
    14,357.18x = 21,535.78 × 5,470.44
  4. Step 4: Simplify right side
    14,357.18x = 117,810,192.34
  5. Step 5: Solve for x
    x = 117,810,192.34/14,357.18
  6. Step 6: Final answer
    x = 8,205.66

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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.