Home / 13,245.57-19,868.35-4,925.40

Finding the Fourth Proportional to 13,245.57, 19,868.35 and 4,925.40

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Solution

The fourth proportional to 13,245.57, 19,868.35 and 4,925.40 is: 7,388.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.57 : 19,868.35 = 4,925.40 : x
  2. Step 2: Convert to fraction form
    13,245.57/19,868.35 = 4,925.40/x
  3. Step 3: Cross multiply
    13,245.57x = 19,868.35 × 4,925.40
  4. Step 4: Simplify right side
    13,245.57x = 97,859,571.09
  5. Step 5: Solve for x
    x = 97,859,571.09/13,245.57
  6. Step 6: Final answer
    x = 7,388.10

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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.