Home / 13,145.36-19,705.41-6,565.32

Finding the Fourth Proportional to 13,145.36, 19,705.41 and 6,565.32

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Solution

The fourth proportional to 13,145.36, 19,705.41 and 6,565.32 is: 9,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,145.36 : 19,705.41 = 6,565.32 : x
  2. Step 2: Convert to fraction form
    13,145.36/19,705.41 = 6,565.32/x
  3. Step 3: Cross multiply
    13,145.36x = 19,705.41 × 6,565.32
  4. Step 4: Simplify right side
    13,145.36x = 129,372,322.38
  5. Step 5: Solve for x
    x = 129,372,322.38/13,145.36
  6. Step 6: Final answer
    x = 9,841.68

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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.