Home / 14,430.35-21,605.66-7,395.21

Finding the Fourth Proportional to 14,430.35, 21,605.66 and 7,395.21

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Solution

The fourth proportional to 14,430.35, 21,605.66 and 7,395.21 is: 11,072.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,430.35 : 21,605.66 = 7,395.21 : x
  2. Step 2: Convert to fraction form
    14,430.35/21,605.66 = 7,395.21/x
  3. Step 3: Cross multiply
    14,430.35x = 21,605.66 × 7,395.21
  4. Step 4: Simplify right side
    14,430.35x = 159,778,355.91
  5. Step 5: Solve for x
    x = 159,778,355.91/14,430.35
  6. Step 6: Final answer
    x = 11,072.39

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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.