Home / 13,090.50-19,623.58-4,768.63

Finding the Fourth Proportional to 13,090.50, 19,623.58 and 4,768.63

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Solution

The fourth proportional to 13,090.50, 19,623.58 and 4,768.63 is: 7,148.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,090.50 : 19,623.58 = 4,768.63 : x
  2. Step 2: Convert to fraction form
    13,090.50/19,623.58 = 4,768.63/x
  3. Step 3: Cross multiply
    13,090.50x = 19,623.58 × 4,768.63
  4. Step 4: Simplify right side
    13,090.50x = 93,577,531.31
  5. Step 5: Solve for x
    x = 93,577,531.31/13,090.50
  6. Step 6: Final answer
    x = 7,148.51

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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.