Home / 13,810.26-20,701.22-7,875.01

Finding the Fourth Proportional to 13,810.26, 20,701.22 and 7,875.01

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Solution

The fourth proportional to 13,810.26, 20,701.22 and 7,875.01 is: 11,804.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.26 : 20,701.22 = 7,875.01 : x
  2. Step 2: Convert to fraction form
    13,810.26/20,701.22 = 7,875.01/x
  3. Step 3: Cross multiply
    13,810.26x = 20,701.22 × 7,875.01
  4. Step 4: Simplify right side
    13,810.26x = 163,022,301.01
  5. Step 5: Solve for x
    x = 163,022,301.01/13,810.26
  6. Step 6: Final answer
    x = 11,804.43

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1.5x scale

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.