Home / 16,749.12-25,106.40-7,521.60

Finding the Fourth Proportional to 16,749.12, 25,106.40 and 7,521.60

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Solution

The fourth proportional to 16,749.12, 25,106.40 and 7,521.60 is: 11,274.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,749.12 : 25,106.40 = 7,521.60 : x
  2. Step 2: Convert to fraction form
    16,749.12/25,106.40 = 7,521.60/x
  3. Step 3: Cross multiply
    16,749.12x = 25,106.40 × 7,521.60
  4. Step 4: Simplify right side
    16,749.12x = 188,840,298.24
  5. Step 5: Solve for x
    x = 188,840,298.24/16,749.12
  6. Step 6: Final answer
    x = 11,274.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.