Home / 9,742.90-14,619.80-3,899.96

Finding the Fourth Proportional to 9,742.90, 14,619.80 and 3,899.96

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Solution

The fourth proportional to 9,742.90, 14,619.80 and 3,899.96 is: 5,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,742.90 : 14,619.80 = 3,899.96 : x
  2. Step 2: Convert to fraction form
    9,742.90/14,619.80 = 3,899.96/x
  3. Step 3: Cross multiply
    9,742.90x = 14,619.80 × 3,899.96
  4. Step 4: Simplify right side
    9,742.90x = 57,016,681.51
  5. Step 5: Solve for x
    x = 57,016,681.51/9,742.90
  6. Step 6: Final answer
    x = 5,852.13

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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.