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Finding the Fourth Proportional to 15,364.94, 23,010.48 and 8,771.12

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Solution

The fourth proportional to 15,364.94, 23,010.48 and 8,771.12 is: 13,135.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.94 : 23,010.48 = 8,771.12 : x
  2. Step 2: Convert to fraction form
    15,364.94/23,010.48 = 8,771.12/x
  3. Step 3: Cross multiply
    15,364.94x = 23,010.48 × 8,771.12
  4. Step 4: Simplify right side
    15,364.94x = 201,827,681.34
  5. Step 5: Solve for x
    x = 201,827,681.34/15,364.94
  6. Step 6: Final answer
    x = 13,135.60

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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.