Home / 14,988.31-20,674.96-9,686.26

Finding the Fourth Proportional to 14,988.31, 20,674.96 and 9,686.26

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Solution

The fourth proportional to 14,988.31, 20,674.96 and 9,686.26 is: 13,361.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,988.31 : 20,674.96 = 9,686.26 : x
  2. Step 2: Convert to fraction form
    14,988.31/20,674.96 = 9,686.26/x
  3. Step 3: Cross multiply
    14,988.31x = 20,674.96 × 9,686.26
  4. Step 4: Simplify right side
    14,988.31x = 200,263,038.05
  5. Step 5: Solve for x
    x = 200,263,038.05/14,988.31
  6. Step 6: Final answer
    x = 13,361.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.