Home / 13,782.47-19,030.52-10,590.73

Finding the Fourth Proportional to 13,782.47, 19,030.52 and 10,590.73

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Solution

The fourth proportional to 13,782.47, 19,030.52 and 10,590.73 is: 14,623.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,782.47 : 19,030.52 = 10,590.73 : x
  2. Step 2: Convert to fraction form
    13,782.47/19,030.52 = 10,590.73/x
  3. Step 3: Cross multiply
    13,782.47x = 19,030.52 × 10,590.73
  4. Step 4: Simplify right side
    13,782.47x = 201,546,998.55
  5. Step 5: Solve for x
    x = 201,546,998.55/13,782.47
  6. Step 6: Final answer
    x = 14,623.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.