Home / 15,751.51-23,638.20-9,190.51

Finding the Fourth Proportional to 15,751.51, 23,638.20 and 9,190.51

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Solution

The fourth proportional to 15,751.51, 23,638.20 and 9,190.51 is: 13,792.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,751.51 : 23,638.20 = 9,190.51 : x
  2. Step 2: Convert to fraction form
    15,751.51/23,638.20 = 9,190.51/x
  3. Step 3: Cross multiply
    15,751.51x = 23,638.20 × 9,190.51
  4. Step 4: Simplify right side
    15,751.51x = 217,247,113.48
  5. Step 5: Solve for x
    x = 217,247,113.48/15,751.51
  6. Step 6: Final answer
    x = 13,792.15

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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.