Home / 16,873.88-23,295.49-15,005.21

Finding the Fourth Proportional to 16,873.88, 23,295.49 and 15,005.21

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Solution

The fourth proportional to 16,873.88, 23,295.49 and 15,005.21 is: 20,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,873.88 : 23,295.49 = 15,005.21 : x
  2. Step 2: Convert to fraction form
    16,873.88/23,295.49 = 15,005.21/x
  3. Step 3: Cross multiply
    16,873.88x = 23,295.49 × 15,005.21
  4. Step 4: Simplify right side
    16,873.88x = 349,553,565.51
  5. Step 5: Solve for x
    x = 349,553,565.51/16,873.88
  6. Step 6: Final answer
    x = 20,715.67

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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.