Home / 15,372.69-23,029.86-9,119.49

Finding the Fourth Proportional to 15,372.69, 23,029.86 and 9,119.49

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Solution

The fourth proportional to 15,372.69, 23,029.86 and 9,119.49 is: 13,661.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,372.69 : 23,029.86 = 9,119.49 : x
  2. Step 2: Convert to fraction form
    15,372.69/23,029.86 = 9,119.49/x
  3. Step 3: Cross multiply
    15,372.69x = 23,029.86 × 9,119.49
  4. Step 4: Simplify right side
    15,372.69x = 210,020,525.81
  5. Step 5: Solve for x
    x = 210,020,525.81/15,372.69
  6. Step 6: Final answer
    x = 13,661.93

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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.