Home / 14,148.03-21,211.88-6,647.36

Finding the Fourth Proportional to 14,148.03, 21,211.88 and 6,647.36

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Solution

The fourth proportional to 14,148.03, 21,211.88 and 6,647.36 is: 9,966.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.03 : 21,211.88 = 6,647.36 : x
  2. Step 2: Convert to fraction form
    14,148.03/21,211.88 = 6,647.36/x
  3. Step 3: Cross multiply
    14,148.03x = 21,211.88 × 6,647.36
  4. Step 4: Simplify right side
    14,148.03x = 141,003,002.64
  5. Step 5: Solve for x
    x = 141,003,002.64/14,148.03
  6. Step 6: Final answer
    x = 9,966.26

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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.