Home / 16,830.36-23,182.14-12,812.76

Finding the Fourth Proportional to 16,830.36, 23,182.14 and 12,812.76

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Solution

The fourth proportional to 16,830.36, 23,182.14 and 12,812.76 is: 17,648.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.36 : 23,182.14 = 12,812.76 : x
  2. Step 2: Convert to fraction form
    16,830.36/23,182.14 = 12,812.76/x
  3. Step 3: Cross multiply
    16,830.36x = 23,182.14 × 12,812.76
  4. Step 4: Simplify right side
    16,830.36x = 297,027,196.11
  5. Step 5: Solve for x
    x = 297,027,196.11/16,830.36
  6. Step 6: Final answer
    x = 17,648.30

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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.