Home / 11,875.12-16,388-6,570.32

Finding the Fourth Proportional to 11,875.12, 16,388 and 6,570.32

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Solution

The fourth proportional to 11,875.12, 16,388 and 6,570.32 is: 9,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,875.12 : 16,388 = 6,570.32 : x
  2. Step 2: Convert to fraction form
    11,875.12/16,388 = 6,570.32/x
  3. Step 3: Cross multiply
    11,875.12x = 16,388 × 6,570.32
  4. Step 4: Simplify right side
    11,875.12x = 107,674,404.16
  5. Step 5: Solve for x
    x = 107,674,404.16/11,875.12
  6. Step 6: Final answer
    x = 9,067.23

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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.