Home / 15,340.40-22,986.30-9,783.80

Finding the Fourth Proportional to 15,340.40, 22,986.30 and 9,783.80

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Solution

The fourth proportional to 15,340.40, 22,986.30 and 9,783.80 is: 14,660.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,340.40 : 22,986.30 = 9,783.80 : x
  2. Step 2: Convert to fraction form
    15,340.40/22,986.30 = 9,783.80/x
  3. Step 3: Cross multiply
    15,340.40x = 22,986.30 × 9,783.80
  4. Step 4: Simplify right side
    15,340.40x = 224,893,361.94
  5. Step 5: Solve for x
    x = 224,893,361.94/15,340.40
  6. Step 6: Final answer
    x = 14,660.20

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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.