Home / 14,020.49-21,036.92-6,630.26

Finding the Fourth Proportional to 14,020.49, 21,036.92 and 6,630.26

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Solution

The fourth proportional to 14,020.49, 21,036.92 and 6,630.26 is: 9,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020.49 : 21,036.92 = 6,630.26 : x
  2. Step 2: Convert to fraction form
    14,020.49/21,036.92 = 6,630.26/x
  3. Step 3: Cross multiply
    14,020.49x = 21,036.92 × 6,630.26
  4. Step 4: Simplify right side
    14,020.49x = 139,480,110.86
  5. Step 5: Solve for x
    x = 139,480,110.86/14,020.49
  6. Step 6: Final answer
    x = 9,948.30

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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.