Home / 14,005.58-21,013.23-6,219.86

Finding the Fourth Proportional to 14,005.58, 21,013.23 and 6,219.86

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Solution

The fourth proportional to 14,005.58, 21,013.23 and 6,219.86 is: 9,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.58 : 21,013.23 = 6,219.86 : x
  2. Step 2: Convert to fraction form
    14,005.58/21,013.23 = 6,219.86/x
  3. Step 3: Cross multiply
    14,005.58x = 21,013.23 × 6,219.86
  4. Step 4: Simplify right side
    14,005.58x = 130,699,348.75
  5. Step 5: Solve for x
    x = 130,699,348.75/14,005.58
  6. Step 6: Final answer
    x = 9,331.95

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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.