Home / 16,820.69-23,206.97-10,856.32

Finding the Fourth Proportional to 16,820.69, 23,206.97 and 10,856.32

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Solution

The fourth proportional to 16,820.69, 23,206.97 and 10,856.32 is: 14,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.69 : 23,206.97 = 10,856.32 : x
  2. Step 2: Convert to fraction form
    16,820.69/23,206.97 = 10,856.32/x
  3. Step 3: Cross multiply
    16,820.69x = 23,206.97 × 10,856.32
  4. Step 4: Simplify right side
    16,820.69x = 251,942,261.67
  5. Step 5: Solve for x
    x = 251,942,261.67/16,820.69
  6. Step 6: Final answer
    x = 14,978.12

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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.