Home / 13,988.68-19,302.66-8,323.56

Finding the Fourth Proportional to 13,988.68, 19,302.66 and 8,323.56

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Solution

The fourth proportional to 13,988.68, 19,302.66 and 8,323.56 is: 11,485.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.68 : 19,302.66 = 8,323.56 : x
  2. Step 2: Convert to fraction form
    13,988.68/19,302.66 = 8,323.56/x
  3. Step 3: Cross multiply
    13,988.68x = 19,302.66 × 8,323.56
  4. Step 4: Simplify right side
    13,988.68x = 160,666,848.67
  5. Step 5: Solve for x
    x = 160,666,848.67/13,988.68
  6. Step 6: Final answer
    x = 11,485.49

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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.