Home / 14,707.54-20,290.74-10,888.26

Finding the Fourth Proportional to 14,707.54, 20,290.74 and 10,888.26

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Solution

The fourth proportional to 14,707.54, 20,290.74 and 10,888.26 is: 15,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,707.54 : 20,290.74 = 10,888.26 : x
  2. Step 2: Convert to fraction form
    14,707.54/20,290.74 = 10,888.26/x
  3. Step 3: Cross multiply
    14,707.54x = 20,290.74 × 10,888.26
  4. Step 4: Simplify right side
    14,707.54x = 220,930,735.79
  5. Step 5: Solve for x
    x = 220,930,735.79/14,707.54
  6. Step 6: Final answer
    x = 15,021.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.