Home / 13,968.96-19,277.15-7,681.35

Finding the Fourth Proportional to 13,968.96, 19,277.15 and 7,681.35

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Solution

The fourth proportional to 13,968.96, 19,277.15 and 7,681.35 is: 10,600.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.96 : 19,277.15 = 7,681.35 : x
  2. Step 2: Convert to fraction form
    13,968.96/19,277.15 = 7,681.35/x
  3. Step 3: Cross multiply
    13,968.96x = 19,277.15 × 7,681.35
  4. Step 4: Simplify right side
    13,968.96x = 148,074,497.75
  5. Step 5: Solve for x
    x = 148,074,497.75/13,968.96
  6. Step 6: Final answer
    x = 10,600.25

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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.