Home / 14,261.39-19,681.46-8,212.53

Finding the Fourth Proportional to 14,261.39, 19,681.46 and 8,212.53

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Solution

The fourth proportional to 14,261.39, 19,681.46 and 8,212.53 is: 11,333.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,261.39 : 19,681.46 = 8,212.53 : x
  2. Step 2: Convert to fraction form
    14,261.39/19,681.46 = 8,212.53/x
  3. Step 3: Cross multiply
    14,261.39x = 19,681.46 × 8,212.53
  4. Step 4: Simplify right side
    14,261.39x = 161,634,580.69
  5. Step 5: Solve for x
    x = 161,634,580.69/14,261.39
  6. Step 6: Final answer
    x = 11,333.72

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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.