Home / 14,378.06-21,567.09-9,118.32

Finding the Fourth Proportional to 14,378.06, 21,567.09 and 9,118.32

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Solution

The fourth proportional to 14,378.06, 21,567.09 and 9,118.32 is: 13,677.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.06 : 21,567.09 = 9,118.32 : x
  2. Step 2: Convert to fraction form
    14,378.06/21,567.09 = 9,118.32/x
  3. Step 3: Cross multiply
    14,378.06x = 21,567.09 × 9,118.32
  4. Step 4: Simplify right side
    14,378.06x = 196,655,628.09
  5. Step 5: Solve for x
    x = 196,655,628.09/14,378.06
  6. Step 6: Final answer
    x = 13,677.48

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Double scale
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Similar ratio
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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.