Home / 19,376.48-26,750.43-12,668.88

Finding the Fourth Proportional to 19,376.48, 26,750.43 and 12,668.88

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Solution

The fourth proportional to 19,376.48, 26,750.43 and 12,668.88 is: 17,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,376.48 : 26,750.43 = 12,668.88 : x
  2. Step 2: Convert to fraction form
    19,376.48/26,750.43 = 12,668.88/x
  3. Step 3: Cross multiply
    19,376.48x = 26,750.43 × 12,668.88
  4. Step 4: Simplify right side
    19,376.48x = 338,897,977.07
  5. Step 5: Solve for x
    x = 338,897,977.07/19,376.48
  6. Step 6: Final answer
    x = 17,490.17

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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.