Home / 13,895.40-19,178.44-9,655.32

Finding the Fourth Proportional to 13,895.40, 19,178.44 and 9,655.32

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Solution

The fourth proportional to 13,895.40, 19,178.44 and 9,655.32 is: 13,326.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.40 : 19,178.44 = 9,655.32 : x
  2. Step 2: Convert to fraction form
    13,895.40/19,178.44 = 9,655.32/x
  3. Step 3: Cross multiply
    13,895.40x = 19,178.44 × 9,655.32
  4. Step 4: Simplify right side
    13,895.40x = 185,173,975.30
  5. Step 5: Solve for x
    x = 185,173,975.30/13,895.40
  6. Step 6: Final answer
    x = 13,326.28

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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.