Home / 15,783.20-23,674.80-6,567.20

Finding the Fourth Proportional to 15,783.20, 23,674.80 and 6,567.20

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Solution

The fourth proportional to 15,783.20, 23,674.80 and 6,567.20 is: 9,850.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.20 : 23,674.80 = 6,567.20 : x
  2. Step 2: Convert to fraction form
    15,783.20/23,674.80 = 6,567.20/x
  3. Step 3: Cross multiply
    15,783.20x = 23,674.80 × 6,567.20
  4. Step 4: Simplify right side
    15,783.20x = 155,477,146.56
  5. Step 5: Solve for x
    x = 155,477,146.56/15,783.20
  6. Step 6: Final answer
    x = 9,850.80

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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.