Home / 14,150.40-21,222.08-5,828.16

Finding the Fourth Proportional to 14,150.40, 21,222.08 and 5,828.16

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Solution

The fourth proportional to 14,150.40, 21,222.08 and 5,828.16 is: 8,740.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.40 : 21,222.08 = 5,828.16 : x
  2. Step 2: Convert to fraction form
    14,150.40/21,222.08 = 5,828.16/x
  3. Step 3: Cross multiply
    14,150.40x = 21,222.08 × 5,828.16
  4. Step 4: Simplify right side
    14,150.40x = 123,685,677.77
  5. Step 5: Solve for x
    x = 123,685,677.77/14,150.40
  6. Step 6: Final answer
    x = 8,740.79

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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.