Home / 20,701.26-31,061-10,847.60

Finding the Fourth Proportional to 20,701.26, 31,061 and 10,847.60

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Solution

The fourth proportional to 20,701.26, 31,061 and 10,847.60 is: 16,276.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.26 : 31,061 = 10,847.60 : x
  2. Step 2: Convert to fraction form
    20,701.26/31,061 = 10,847.60/x
  3. Step 3: Cross multiply
    20,701.26x = 31,061 × 10,847.60
  4. Step 4: Simplify right side
    20,701.26x = 336,937,303.60
  5. Step 5: Solve for x
    x = 336,937,303.60/20,701.26
  6. Step 6: Final answer
    x = 16,276.17

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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.