Home / 14,071.50-21,111.30-4,712.22

Finding the Fourth Proportional to 14,071.50, 21,111.30 and 4,712.22

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Solution

The fourth proportional to 14,071.50, 21,111.30 and 4,712.22 is: 7,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.50 : 21,111.30 = 4,712.22 : x
  2. Step 2: Convert to fraction form
    14,071.50/21,111.30 = 4,712.22/x
  3. Step 3: Cross multiply
    14,071.50x = 21,111.30 × 4,712.22
  4. Step 4: Simplify right side
    14,071.50x = 99,481,090.09
  5. Step 5: Solve for x
    x = 99,481,090.09/14,071.50
  6. Step 6: Final answer
    x = 7,069.69

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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.