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Finding the Fourth Proportional to 15,370.40, 23,012.40 and 14,938.40

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Solution

The fourth proportional to 15,370.40, 23,012.40 and 14,938.40 is: 22,365.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,370.40 : 23,012.40 = 14,938.40 : x
  2. Step 2: Convert to fraction form
    15,370.40/23,012.40 = 14,938.40/x
  3. Step 3: Cross multiply
    15,370.40x = 23,012.40 × 14,938.40
  4. Step 4: Simplify right side
    15,370.40x = 343,768,436.16
  5. Step 5: Solve for x
    x = 343,768,436.16/15,370.40
  6. Step 6: Final answer
    x = 22,365.61

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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.