Home / 14,032.34-21,048.51-6,638.91

Finding the Fourth Proportional to 14,032.34, 21,048.51 and 6,638.91

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Solution

The fourth proportional to 14,032.34, 21,048.51 and 6,638.91 is: 9,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,032.34 : 21,048.51 = 6,638.91 : x
  2. Step 2: Convert to fraction form
    14,032.34/21,048.51 = 6,638.91/x
  3. Step 3: Cross multiply
    14,032.34x = 21,048.51 × 6,638.91
  4. Step 4: Simplify right side
    14,032.34x = 139,739,190.54
  5. Step 5: Solve for x
    x = 139,739,190.54/14,032.34
  6. Step 6: Final answer
    x = 9,958.37

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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.