Home / 13,952.32-19,252.35-8,645.20

Finding the Fourth Proportional to 13,952.32, 19,252.35 and 8,645.20

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Solution

The fourth proportional to 13,952.32, 19,252.35 and 8,645.20 is: 11,929.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,952.32 : 19,252.35 = 8,645.20 : x
  2. Step 2: Convert to fraction form
    13,952.32/19,252.35 = 8,645.20/x
  3. Step 3: Cross multiply
    13,952.32x = 19,252.35 × 8,645.20
  4. Step 4: Simplify right side
    13,952.32x = 166,440,416.22
  5. Step 5: Solve for x
    x = 166,440,416.22/13,952.32
  6. Step 6: Final answer
    x = 11,929.23

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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.