Home / 14,000.80-20,972.40-9,623.20

Finding the Fourth Proportional to 14,000.80, 20,972.40 and 9,623.20

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Solution

The fourth proportional to 14,000.80, 20,972.40 and 9,623.20 is: 14,415.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.80 : 20,972.40 = 9,623.20 : x
  2. Step 2: Convert to fraction form
    14,000.80/20,972.40 = 9,623.20/x
  3. Step 3: Cross multiply
    14,000.80x = 20,972.40 × 9,623.20
  4. Step 4: Simplify right side
    14,000.80x = 201,821,599.68
  5. Step 5: Solve for x
    x = 201,821,599.68/14,000.80
  6. Step 6: Final answer
    x = 14,415.00

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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.