Home / 17,621.07-24,319.40-11,351.67

Finding the Fourth Proportional to 17,621.07, 24,319.40 and 11,351.67

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Solution

The fourth proportional to 17,621.07, 24,319.40 and 11,351.67 is: 15,666.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,621.07 : 24,319.40 = 11,351.67 : x
  2. Step 2: Convert to fraction form
    17,621.07/24,319.40 = 11,351.67/x
  3. Step 3: Cross multiply
    17,621.07x = 24,319.40 × 11,351.67
  4. Step 4: Simplify right side
    17,621.07x = 276,065,803.40
  5. Step 5: Solve for x
    x = 276,065,803.40/17,621.07
  6. Step 6: Final answer
    x = 15,666.80

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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.