Home / 14,486.75-19,996.47-9,188.74

Finding the Fourth Proportional to 14,486.75, 19,996.47 and 9,188.74

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Solution

The fourth proportional to 14,486.75, 19,996.47 and 9,188.74 is: 12,683.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486.75 : 19,996.47 = 9,188.74 : x
  2. Step 2: Convert to fraction form
    14,486.75/19,996.47 = 9,188.74/x
  3. Step 3: Cross multiply
    14,486.75x = 19,996.47 × 9,188.74
  4. Step 4: Simplify right side
    14,486.75x = 183,742,388.74
  5. Step 5: Solve for x
    x = 183,742,388.74/14,486.75
  6. Step 6: Final answer
    x = 12,683.48

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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.