Home / 14,124.24-19,495.26-8,815.86

Finding the Fourth Proportional to 14,124.24, 19,495.26 and 8,815.86

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Solution

The fourth proportional to 14,124.24, 19,495.26 and 8,815.86 is: 12,168.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,124.24 : 19,495.26 = 8,815.86 : x
  2. Step 2: Convert to fraction form
    14,124.24/19,495.26 = 8,815.86/x
  3. Step 3: Cross multiply
    14,124.24x = 19,495.26 × 8,815.86
  4. Step 4: Simplify right side
    14,124.24x = 171,867,482.82
  5. Step 5: Solve for x
    x = 171,867,482.82/14,124.24
  6. Step 6: Final answer
    x = 12,168.26

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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.