Home / 19,528.48-26,949.83-11,970.47

Finding the Fourth Proportional to 19,528.48, 26,949.83 and 11,970.47

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Solution

The fourth proportional to 19,528.48, 26,949.83 and 11,970.47 is: 16,519.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,528.48 : 26,949.83 = 11,970.47 : x
  2. Step 2: Convert to fraction form
    19,528.48/26,949.83 = 11,970.47/x
  3. Step 3: Cross multiply
    19,528.48x = 26,949.83 × 11,970.47
  4. Step 4: Simplify right side
    19,528.48x = 322,602,087.47
  5. Step 5: Solve for x
    x = 322,602,087.47/19,528.48
  6. Step 6: Final answer
    x = 16,519.57

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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.