Home / 13,007.03-19,516.76-12,458.60

Finding the Fourth Proportional to 13,007.03, 19,516.76 and 12,458.60

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Solution

The fourth proportional to 13,007.03, 19,516.76 and 12,458.60 is: 18,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,007.03 : 19,516.76 = 12,458.60 : x
  2. Step 2: Convert to fraction form
    13,007.03/19,516.76 = 12,458.60/x
  3. Step 3: Cross multiply
    13,007.03x = 19,516.76 × 12,458.60
  4. Step 4: Simplify right side
    13,007.03x = 243,151,586.07
  5. Step 5: Solve for x
    x = 243,151,586.07/13,007.03
  6. Step 6: Final answer
    x = 18,693.87

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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.