Home / 13,297.95-19,946.91-5,400.63

Finding the Fourth Proportional to 13,297.95, 19,946.91 and 5,400.63

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Solution

The fourth proportional to 13,297.95, 19,946.91 and 5,400.63 is: 8,100.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.95 : 19,946.91 = 5,400.63 : x
  2. Step 2: Convert to fraction form
    13,297.95/19,946.91 = 5,400.63/x
  3. Step 3: Cross multiply
    13,297.95x = 19,946.91 × 5,400.63
  4. Step 4: Simplify right side
    13,297.95x = 107,725,880.55
  5. Step 5: Solve for x
    x = 107,725,880.55/13,297.95
  6. Step 6: Final answer
    x = 8,100.94

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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.