Home / 14,570.30-20,106.44-8,603.88

Finding the Fourth Proportional to 14,570.30, 20,106.44 and 8,603.88

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Solution

The fourth proportional to 14,570.30, 20,106.44 and 8,603.88 is: 11,873.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,570.30 : 20,106.44 = 8,603.88 : x
  2. Step 2: Convert to fraction form
    14,570.30/20,106.44 = 8,603.88/x
  3. Step 3: Cross multiply
    14,570.30x = 20,106.44 × 8,603.88
  4. Step 4: Simplify right side
    14,570.30x = 172,993,396.99
  5. Step 5: Solve for x
    x = 172,993,396.99/14,570.30
  6. Step 6: Final answer
    x = 11,873.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.