Home / 19,387.49-26,754.74-10,889.62

Finding the Fourth Proportional to 19,387.49, 26,754.74 and 10,889.62

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Solution

The fourth proportional to 19,387.49, 26,754.74 and 10,889.62 is: 15,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,387.49 : 26,754.74 = 10,889.62 : x
  2. Step 2: Convert to fraction form
    19,387.49/26,754.74 = 10,889.62/x
  3. Step 3: Cross multiply
    19,387.49x = 26,754.74 × 10,889.62
  4. Step 4: Simplify right side
    19,387.49x = 291,348,897.35
  5. Step 5: Solve for x
    x = 291,348,897.35/19,387.49
  6. Step 6: Final answer
    x = 15,027.68

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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.