Home / 14,004.39-21,005.37-4,641.33

Finding the Fourth Proportional to 14,004.39, 21,005.37 and 4,641.33

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Solution

The fourth proportional to 14,004.39, 21,005.37 and 4,641.33 is: 6,961.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,004.39 : 21,005.37 = 4,641.33 : x
  2. Step 2: Convert to fraction form
    14,004.39/21,005.37 = 4,641.33/x
  3. Step 3: Cross multiply
    14,004.39x = 21,005.37 × 4,641.33
  4. Step 4: Simplify right side
    14,004.39x = 97,492,830.74
  5. Step 5: Solve for x
    x = 97,492,830.74/14,004.39
  6. Step 6: Final answer
    x = 6,961.59

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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.