Home / 17,184.60-23,729.21-12,928.30

Finding the Fourth Proportional to 17,184.60, 23,729.21 and 12,928.30

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Solution

The fourth proportional to 17,184.60, 23,729.21 and 12,928.30 is: 17,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,184.60 : 23,729.21 = 12,928.30 : x
  2. Step 2: Convert to fraction form
    17,184.60/23,729.21 = 12,928.30/x
  3. Step 3: Cross multiply
    17,184.60x = 23,729.21 × 12,928.30
  4. Step 4: Simplify right side
    17,184.60x = 306,778,345.64
  5. Step 5: Solve for x
    x = 306,778,345.64/17,184.60
  6. Step 6: Final answer
    x = 17,851.93

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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.