Home / 14,379.99-21,570.89-4,519.64

Finding the Fourth Proportional to 14,379.99, 21,570.89 and 4,519.64

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Solution

The fourth proportional to 14,379.99, 21,570.89 and 4,519.64 is: 6,779.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.99 : 21,570.89 = 4,519.64 : x
  2. Step 2: Convert to fraction form
    14,379.99/21,570.89 = 4,519.64/x
  3. Step 3: Cross multiply
    14,379.99x = 21,570.89 × 4,519.64
  4. Step 4: Simplify right side
    14,379.99x = 97,492,526.83
  5. Step 5: Solve for x
    x = 97,492,526.83/14,379.99
  6. Step 6: Final answer
    x = 6,779.74

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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.