Home / 16,147.08-22,255.56-12,317.40

Finding the Fourth Proportional to 16,147.08, 22,255.56 and 12,317.40

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Solution

The fourth proportional to 16,147.08, 22,255.56 and 12,317.40 is: 16,977.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,147.08 : 22,255.56 = 12,317.40 : x
  2. Step 2: Convert to fraction form
    16,147.08/22,255.56 = 12,317.40/x
  3. Step 3: Cross multiply
    16,147.08x = 22,255.56 × 12,317.40
  4. Step 4: Simplify right side
    16,147.08x = 274,130,634.74
  5. Step 5: Solve for x
    x = 274,130,634.74/16,147.08
  6. Step 6: Final answer
    x = 16,977.10

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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.