Home / 13,965.35-20,948.54-4,605.60

Finding the Fourth Proportional to 13,965.35, 20,948.54 and 4,605.60

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Solution

The fourth proportional to 13,965.35, 20,948.54 and 4,605.60 is: 6,908.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,965.35 : 20,948.54 = 4,605.60 : x
  2. Step 2: Convert to fraction form
    13,965.35/20,948.54 = 4,605.60/x
  3. Step 3: Cross multiply
    13,965.35x = 20,948.54 × 4,605.60
  4. Step 4: Simplify right side
    13,965.35x = 96,480,572.80
  5. Step 5: Solve for x
    x = 96,480,572.80/13,965.35
  6. Step 6: Final answer
    x = 6,908.57

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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.