Home / 13,098.70-19,558.96-12,358.72

Finding the Fourth Proportional to 13,098.70, 19,558.96 and 12,358.72

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Solution

The fourth proportional to 13,098.70, 19,558.96 and 12,358.72 is: 18,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.70 : 19,558.96 = 12,358.72 : x
  2. Step 2: Convert to fraction form
    13,098.70/19,558.96 = 12,358.72/x
  3. Step 3: Cross multiply
    13,098.70x = 19,558.96 × 12,358.72
  4. Step 4: Simplify right side
    13,098.70x = 241,723,630.34
  5. Step 5: Solve for x
    x = 241,723,630.34/13,098.70
  6. Step 6: Final answer
    x = 18,454.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.