Home / 14,165.28-19,545.84-8,858.16

Finding the Fourth Proportional to 14,165.28, 19,545.84 and 8,858.16

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Solution

The fourth proportional to 14,165.28, 19,545.84 and 8,858.16 is: 12,222.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,165.28 : 19,545.84 = 8,858.16 : x
  2. Step 2: Convert to fraction form
    14,165.28/19,545.84 = 8,858.16/x
  3. Step 3: Cross multiply
    14,165.28x = 19,545.84 × 8,858.16
  4. Step 4: Simplify right side
    14,165.28x = 173,140,178.05
  5. Step 5: Solve for x
    x = 173,140,178.05/14,165.28
  6. Step 6: Final answer
    x = 12,222.86

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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.