Home / 14,637.74-21,959.33-4,779.81

Finding the Fourth Proportional to 14,637.74, 21,959.33 and 4,779.81

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Solution

The fourth proportional to 14,637.74, 21,959.33 and 4,779.81 is: 7,170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,637.74 : 21,959.33 = 4,779.81 : x
  2. Step 2: Convert to fraction form
    14,637.74/21,959.33 = 4,779.81/x
  3. Step 3: Cross multiply
    14,637.74x = 21,959.33 × 4,779.81
  4. Step 4: Simplify right side
    14,637.74x = 104,961,401.23
  5. Step 5: Solve for x
    x = 104,961,401.23/14,637.74
  6. Step 6: Final answer
    x = 7,170.60

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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.