Home / 14,273.39-19,692.47-8,300.15

Finding the Fourth Proportional to 14,273.39, 19,692.47 and 8,300.15

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Solution

The fourth proportional to 14,273.39, 19,692.47 and 8,300.15 is: 11,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,273.39 : 19,692.47 = 8,300.15 : x
  2. Step 2: Convert to fraction form
    14,273.39/19,692.47 = 8,300.15/x
  3. Step 3: Cross multiply
    14,273.39x = 19,692.47 × 8,300.15
  4. Step 4: Simplify right side
    14,273.39x = 163,450,314.91
  5. Step 5: Solve for x
    x = 163,450,314.91/14,273.39
  6. Step 6: Final answer
    x = 11,451.40

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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.