Home / 15,345.60-23,021.60-8,766.40

Finding the Fourth Proportional to 15,345.60, 23,021.60 and 8,766.40

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Solution

The fourth proportional to 15,345.60, 23,021.60 and 8,766.40 is: 13,151.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,345.60 : 23,021.60 = 8,766.40 : x
  2. Step 2: Convert to fraction form
    15,345.60/23,021.60 = 8,766.40/x
  3. Step 3: Cross multiply
    15,345.60x = 23,021.60 × 8,766.40
  4. Step 4: Simplify right side
    15,345.60x = 201,816,554.24
  5. Step 5: Solve for x
    x = 201,816,554.24/15,345.60
  6. Step 6: Final answer
    x = 13,151.43

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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.