Home / 13,955.32-20,914.40-6,544.19

Finding the Fourth Proportional to 13,955.32, 20,914.40 and 6,544.19

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Solution

The fourth proportional to 13,955.32, 20,914.40 and 6,544.19 is: 9,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.32 : 20,914.40 = 6,544.19 : x
  2. Step 2: Convert to fraction form
    13,955.32/20,914.40 = 6,544.19/x
  3. Step 3: Cross multiply
    13,955.32x = 20,914.40 × 6,544.19
  4. Step 4: Simplify right side
    13,955.32x = 136,867,875.98
  5. Step 5: Solve for x
    x = 136,867,875.98/13,955.32
  6. Step 6: Final answer
    x = 9,807.58

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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.