Home / 14,069.74-21,094.14-8,521.72

Finding the Fourth Proportional to 14,069.74, 21,094.14 and 8,521.72

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Solution

The fourth proportional to 14,069.74, 21,094.14 and 8,521.72 is: 12,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,069.74 : 21,094.14 = 8,521.72 : x
  2. Step 2: Convert to fraction form
    14,069.74/21,094.14 = 8,521.72/x
  3. Step 3: Cross multiply
    14,069.74x = 21,094.14 × 8,521.72
  4. Step 4: Simplify right side
    14,069.74x = 179,758,354.72
  5. Step 5: Solve for x
    x = 179,758,354.72/14,069.74
  6. Step 6: Final answer
    x = 12,776.24

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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.