Home / 13,558.80-20,298.60-9,670.80

Finding the Fourth Proportional to 13,558.80, 20,298.60 and 9,670.80

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Solution

The fourth proportional to 13,558.80, 20,298.60 and 9,670.80 is: 14,477.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,558.80 : 20,298.60 = 9,670.80 : x
  2. Step 2: Convert to fraction form
    13,558.80/20,298.60 = 9,670.80/x
  3. Step 3: Cross multiply
    13,558.80x = 20,298.60 × 9,670.80
  4. Step 4: Simplify right side
    13,558.80x = 196,303,700.88
  5. Step 5: Solve for x
    x = 196,303,700.88/13,558.80
  6. Step 6: Final answer
    x = 14,477.96

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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.