Home / 15,860.40-23,783.72-8,463.24

Finding the Fourth Proportional to 15,860.40, 23,783.72 and 8,463.24

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Solution

The fourth proportional to 15,860.40, 23,783.72 and 8,463.24 is: 12,691.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,860.40 : 23,783.72 = 8,463.24 : x
  2. Step 2: Convert to fraction form
    15,860.40/23,783.72 = 8,463.24/x
  3. Step 3: Cross multiply
    15,860.40x = 23,783.72 × 8,463.24
  4. Step 4: Simplify right side
    15,860.40x = 201,287,330.45
  5. Step 5: Solve for x
    x = 201,287,330.45/15,860.40
  6. Step 6: Final answer
    x = 12,691.19

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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.