Home / 16,457.54-22,711.39-9,288.96

Finding the Fourth Proportional to 16,457.54, 22,711.39 and 9,288.96

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Solution

The fourth proportional to 16,457.54, 22,711.39 and 9,288.96 is: 12,818.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,457.54 : 22,711.39 = 9,288.96 : x
  2. Step 2: Convert to fraction form
    16,457.54/22,711.39 = 9,288.96/x
  3. Step 3: Cross multiply
    16,457.54x = 22,711.39 × 9,288.96
  4. Step 4: Simplify right side
    16,457.54x = 210,965,164.71
  5. Step 5: Solve for x
    x = 210,965,164.71/16,457.54
  6. Step 6: Final answer
    x = 12,818.76

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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.