Home / 14,392.72-19,861.85-8,018.99

Finding the Fourth Proportional to 14,392.72, 19,861.85 and 8,018.99

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Solution

The fourth proportional to 14,392.72, 19,861.85 and 8,018.99 is: 11,066.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,392.72 : 19,861.85 = 8,018.99 : x
  2. Step 2: Convert to fraction form
    14,392.72/19,861.85 = 8,018.99/x
  3. Step 3: Cross multiply
    14,392.72x = 19,861.85 × 8,018.99
  4. Step 4: Simplify right side
    14,392.72x = 159,271,837.13
  5. Step 5: Solve for x
    x = 159,271,837.13/14,392.72
  6. Step 6: Final answer
    x = 11,066.14

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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.