Home / 8,929.54-13,386.75-5,459.50

Finding the Fourth Proportional to 8,929.54, 13,386.75 and 5,459.50

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Solution

The fourth proportional to 8,929.54, 13,386.75 and 5,459.50 is: 8,184.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,929.54 : 13,386.75 = 5,459.50 : x
  2. Step 2: Convert to fraction form
    8,929.54/13,386.75 = 5,459.50/x
  3. Step 3: Cross multiply
    8,929.54x = 13,386.75 × 5,459.50
  4. Step 4: Simplify right side
    8,929.54x = 73,084,961.63
  5. Step 5: Solve for x
    x = 73,084,961.63/8,929.54
  6. Step 6: Final answer
    x = 8,184.63

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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.