Home / 14,423.16-19,903.92-8,135.52

Finding the Fourth Proportional to 14,423.16, 19,903.92 and 8,135.52

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Solution

The fourth proportional to 14,423.16, 19,903.92 and 8,135.52 is: 11,226.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,423.16 : 19,903.92 = 8,135.52 : x
  2. Step 2: Convert to fraction form
    14,423.16/19,903.92 = 8,135.52/x
  3. Step 3: Cross multiply
    14,423.16x = 19,903.92 × 8,135.52
  4. Step 4: Simplify right side
    14,423.16x = 161,928,739.24
  5. Step 5: Solve for x
    x = 161,928,739.24/14,423.16
  6. Step 6: Final answer
    x = 11,226.99

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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.