Home / 19,211.52-26,511.66-10,828.02

Finding the Fourth Proportional to 19,211.52, 26,511.66 and 10,828.02

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Solution

The fourth proportional to 19,211.52, 26,511.66 and 10,828.02 is: 14,942.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,211.52 : 26,511.66 = 10,828.02 : x
  2. Step 2: Convert to fraction form
    19,211.52/26,511.66 = 10,828.02/x
  3. Step 3: Cross multiply
    19,211.52x = 26,511.66 × 10,828.02
  4. Step 4: Simplify right side
    19,211.52x = 287,068,784.71
  5. Step 5: Solve for x
    x = 287,068,784.71/19,211.52
  6. Step 6: Final answer
    x = 14,942.53

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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.