Home / 14,711.43-20,300.92-7,997

Finding the Fourth Proportional to 14,711.43, 20,300.92 and 7,997

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Solution

The fourth proportional to 14,711.43, 20,300.92 and 7,997 is: 11,035.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,711.43 : 20,300.92 = 7,997 : x
  2. Step 2: Convert to fraction form
    14,711.43/20,300.92 = 7,997/x
  3. Step 3: Cross multiply
    14,711.43x = 20,300.92 × 7,997
  4. Step 4: Simplify right side
    14,711.43x = 162,346,457.24
  5. Step 5: Solve for x
    x = 162,346,457.24/14,711.43
  6. Step 6: Final answer
    x = 11,035.40

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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.