Home / 14,152.70-21,215.55-5,265.65

Finding the Fourth Proportional to 14,152.70, 21,215.55 and 5,265.65

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Solution

The fourth proportional to 14,152.70, 21,215.55 and 5,265.65 is: 7,893.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.70 : 21,215.55 = 5,265.65 : x
  2. Step 2: Convert to fraction form
    14,152.70/21,215.55 = 5,265.65/x
  3. Step 3: Cross multiply
    14,152.70x = 21,215.55 × 5,265.65
  4. Step 4: Simplify right side
    14,152.70x = 111,713,660.86
  5. Step 5: Solve for x
    x = 111,713,660.86/14,152.70
  6. Step 6: Final answer
    x = 7,893.45

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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.