Home / 14,152.86-21,196.92-6,762.51

Finding the Fourth Proportional to 14,152.86, 21,196.92 and 6,762.51

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Solution

The fourth proportional to 14,152.86, 21,196.92 and 6,762.51 is: 10,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,152.86 : 21,196.92 = 6,762.51 : x
  2. Step 2: Convert to fraction form
    14,152.86/21,196.92 = 6,762.51/x
  3. Step 3: Cross multiply
    14,152.86x = 21,196.92 × 6,762.51
  4. Step 4: Simplify right side
    14,152.86x = 143,344,383.47
  5. Step 5: Solve for x
    x = 143,344,383.47/14,152.86
  6. Step 6: Final answer
    x = 10,128.30

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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.