Home / 21,006.34-31,498.58-6,213.26

Finding the Fourth Proportional to 21,006.34, 31,498.58 and 6,213.26

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Solution

The fourth proportional to 21,006.34, 31,498.58 and 6,213.26 is: 9,316.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,006.34 : 31,498.58 = 6,213.26 : x
  2. Step 2: Convert to fraction form
    21,006.34/31,498.58 = 6,213.26/x
  3. Step 3: Cross multiply
    21,006.34x = 31,498.58 × 6,213.26
  4. Step 4: Simplify right side
    21,006.34x = 195,708,875.48
  5. Step 5: Solve for x
    x = 195,708,875.48/21,006.34
  6. Step 6: Final answer
    x = 9,316.66

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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.