Home / 14,220.69-21,342.66-10,064.75

Finding the Fourth Proportional to 14,220.69, 21,342.66 and 10,064.75

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Solution

The fourth proportional to 14,220.69, 21,342.66 and 10,064.75 is: 15,105.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,220.69 : 21,342.66 = 10,064.75 : x
  2. Step 2: Convert to fraction form
    14,220.69/21,342.66 = 10,064.75/x
  3. Step 3: Cross multiply
    14,220.69x = 21,342.66 × 10,064.75
  4. Step 4: Simplify right side
    14,220.69x = 214,808,430.52
  5. Step 5: Solve for x
    x = 214,808,430.52/14,220.69
  6. Step 6: Final answer
    x = 15,105.35

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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.