Home / 14,230.32-19,641.72-8,263.92

Finding the Fourth Proportional to 14,230.32, 19,641.72 and 8,263.92

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Solution

The fourth proportional to 14,230.32, 19,641.72 and 8,263.92 is: 11,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,230.32 : 19,641.72 = 8,263.92 : x
  2. Step 2: Convert to fraction form
    14,230.32/19,641.72 = 8,263.92/x
  3. Step 3: Cross multiply
    14,230.32x = 19,641.72 × 8,263.92
  4. Step 4: Simplify right side
    14,230.32x = 162,317,602.74
  5. Step 5: Solve for x
    x = 162,317,602.74/14,230.32
  6. Step 6: Final answer
    x = 11,406.46

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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.