Home / 19,838.52-27,368.48-12,670.63

Finding the Fourth Proportional to 19,838.52, 27,368.48 and 12,670.63

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Solution

The fourth proportional to 19,838.52, 27,368.48 and 12,670.63 is: 17,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,838.52 : 27,368.48 = 12,670.63 : x
  2. Step 2: Convert to fraction form
    19,838.52/27,368.48 = 12,670.63/x
  3. Step 3: Cross multiply
    19,838.52x = 27,368.48 × 12,670.63
  4. Step 4: Simplify right side
    19,838.52x = 346,775,847.00
  5. Step 5: Solve for x
    x = 346,775,847.00/19,838.52
  6. Step 6: Final answer
    x = 17,479.93

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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.