Home / 13,209.57-19,807.83-6,538.32

Finding the Fourth Proportional to 13,209.57, 19,807.83 and 6,538.32

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Solution

The fourth proportional to 13,209.57, 19,807.83 and 6,538.32 is: 9,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,209.57 : 19,807.83 = 6,538.32 : x
  2. Step 2: Convert to fraction form
    13,209.57/19,807.83 = 6,538.32/x
  3. Step 3: Cross multiply
    13,209.57x = 19,807.83 × 6,538.32
  4. Step 4: Simplify right side
    13,209.57x = 129,509,931.05
  5. Step 5: Solve for x
    x = 129,509,931.05/13,209.57
  6. Step 6: Final answer
    x = 9,804.25

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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.