Home / 11,528.47-17,289.93-5,284.58

Finding the Fourth Proportional to 11,528.47, 17,289.93 and 5,284.58

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Solution

The fourth proportional to 11,528.47, 17,289.93 and 5,284.58 is: 7,925.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.47 : 17,289.93 = 5,284.58 : x
  2. Step 2: Convert to fraction form
    11,528.47/17,289.93 = 5,284.58/x
  3. Step 3: Cross multiply
    11,528.47x = 17,289.93 × 5,284.58
  4. Step 4: Simplify right side
    11,528.47x = 91,370,018.28
  5. Step 5: Solve for x
    x = 91,370,018.28/11,528.47
  6. Step 6: Final answer
    x = 7,925.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.