Home / 13,001.60-19,458.72-10,814.72

Finding the Fourth Proportional to 13,001.60, 19,458.72 and 10,814.72

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Solution

The fourth proportional to 13,001.60, 19,458.72 and 10,814.72 is: 16,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001.60 : 19,458.72 = 10,814.72 : x
  2. Step 2: Convert to fraction form
    13,001.60/19,458.72 = 10,814.72/x
  3. Step 3: Cross multiply
    13,001.60x = 19,458.72 × 10,814.72
  4. Step 4: Simplify right side
    13,001.60x = 210,440,608.36
  5. Step 5: Solve for x
    x = 210,440,608.36/13,001.60
  6. Step 6: Final answer
    x = 16,185.75

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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.