Home / 14,012.21-21,018.27-4,652.94

Finding the Fourth Proportional to 14,012.21, 21,018.27 and 4,652.94

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Solution

The fourth proportional to 14,012.21, 21,018.27 and 4,652.94 is: 6,979.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.21 : 21,018.27 = 4,652.94 : x
  2. Step 2: Convert to fraction form
    14,012.21/21,018.27 = 4,652.94/x
  3. Step 3: Cross multiply
    14,012.21x = 21,018.27 × 4,652.94
  4. Step 4: Simplify right side
    14,012.21x = 97,796,749.21
  5. Step 5: Solve for x
    x = 97,796,749.21/14,012.21
  6. Step 6: Final answer
    x = 6,979.40

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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.