Home / 13,368.24-20,071.80-9,869.04

Finding the Fourth Proportional to 13,368.24, 20,071.80 and 9,869.04

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Solution

The fourth proportional to 13,368.24, 20,071.80 and 9,869.04 is: 14,817.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.24 : 20,071.80 = 9,869.04 : x
  2. Step 2: Convert to fraction form
    13,368.24/20,071.80 = 9,869.04/x
  3. Step 3: Cross multiply
    13,368.24x = 20,071.80 × 9,869.04
  4. Step 4: Simplify right side
    13,368.24x = 198,089,397.07
  5. Step 5: Solve for x
    x = 198,089,397.07/13,368.24
  6. Step 6: Final answer
    x = 14,817.91

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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.