Home / 13,574.72-20,311.06-8,030.68

Finding the Fourth Proportional to 13,574.72, 20,311.06 and 8,030.68

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Solution

The fourth proportional to 13,574.72, 20,311.06 and 8,030.68 is: 12,015.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574.72 : 20,311.06 = 8,030.68 : x
  2. Step 2: Convert to fraction form
    13,574.72/20,311.06 = 8,030.68/x
  3. Step 3: Cross multiply
    13,574.72x = 20,311.06 × 8,030.68
  4. Step 4: Simplify right side
    13,574.72x = 163,111,623.32
  5. Step 5: Solve for x
    x = 163,111,623.32/13,574.72
  6. Step 6: Final answer
    x = 12,015.84

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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.