Home / 14,901.68-20,555.19-8,847.81

Finding the Fourth Proportional to 14,901.68, 20,555.19 and 8,847.81

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Solution

The fourth proportional to 14,901.68, 20,555.19 and 8,847.81 is: 12,204.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,901.68 : 20,555.19 = 8,847.81 : x
  2. Step 2: Convert to fraction form
    14,901.68/20,555.19 = 8,847.81/x
  3. Step 3: Cross multiply
    14,901.68x = 20,555.19 × 8,847.81
  4. Step 4: Simplify right side
    14,901.68x = 181,868,525.90
  5. Step 5: Solve for x
    x = 181,868,525.90/14,901.68
  6. Step 6: Final answer
    x = 12,204.57

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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.