Home / 15,605.40-23,408.10-4,512.45

Finding the Fourth Proportional to 15,605.40, 23,408.10 and 4,512.45

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Solution

The fourth proportional to 15,605.40, 23,408.10 and 4,512.45 is: 6,768.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.40 : 23,408.10 = 4,512.45 : x
  2. Step 2: Convert to fraction form
    15,605.40/23,408.10 = 4,512.45/x
  3. Step 3: Cross multiply
    15,605.40x = 23,408.10 × 4,512.45
  4. Step 4: Simplify right side
    15,605.40x = 105,627,880.85
  5. Step 5: Solve for x
    x = 105,627,880.85/15,605.40
  6. Step 6: Final answer
    x = 6,768.68

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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.