Home / 14,790.40-22,185.60-7,383.76

Finding the Fourth Proportional to 14,790.40, 22,185.60 and 7,383.76

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Solution

The fourth proportional to 14,790.40, 22,185.60 and 7,383.76 is: 11,075.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,790.40 : 22,185.60 = 7,383.76 : x
  2. Step 2: Convert to fraction form
    14,790.40/22,185.60 = 7,383.76/x
  3. Step 3: Cross multiply
    14,790.40x = 22,185.60 × 7,383.76
  4. Step 4: Simplify right side
    14,790.40x = 163,813,145.86
  5. Step 5: Solve for x
    x = 163,813,145.86/14,790.40
  6. Step 6: Final answer
    x = 11,075.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.