Home / 21,006.04-31,501.74-6,211

Finding the Fourth Proportional to 21,006.04, 31,501.74 and 6,211

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Solution

The fourth proportional to 21,006.04, 31,501.74 and 6,211 is: 9,314.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,006.04 : 31,501.74 = 6,211 : x
  2. Step 2: Convert to fraction form
    21,006.04/31,501.74 = 6,211/x
  3. Step 3: Cross multiply
    21,006.04x = 31,501.74 × 6,211
  4. Step 4: Simplify right side
    21,006.04x = 195,657,307.14
  5. Step 5: Solve for x
    x = 195,657,307.14/21,006.04
  6. Step 6: Final answer
    x = 9,314.34

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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.