Home / 14,287.84-21,430.70-4,800.22

Finding the Fourth Proportional to 14,287.84, 21,430.70 and 4,800.22

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Solution

The fourth proportional to 14,287.84, 21,430.70 and 4,800.22 is: 7,199.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,287.84 : 21,430.70 = 4,800.22 : x
  2. Step 2: Convert to fraction form
    14,287.84/21,430.70 = 4,800.22/x
  3. Step 3: Cross multiply
    14,287.84x = 21,430.70 × 4,800.22
  4. Step 4: Simplify right side
    14,287.84x = 102,872,074.75
  5. Step 5: Solve for x
    x = 102,872,074.75/14,287.84
  6. Step 6: Final answer
    x = 7,199.97

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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.