Home / 14,459.41-19,979.97-11,280.67

Finding the Fourth Proportional to 14,459.41, 19,979.97 and 11,280.67

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Solution

The fourth proportional to 14,459.41, 19,979.97 and 11,280.67 is: 15,587.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,459.41 : 19,979.97 = 11,280.67 : x
  2. Step 2: Convert to fraction form
    14,459.41/19,979.97 = 11,280.67/x
  3. Step 3: Cross multiply
    14,459.41x = 19,979.97 × 11,280.67
  4. Step 4: Simplify right side
    14,459.41x = 225,387,355.93
  5. Step 5: Solve for x
    x = 225,387,355.93/14,459.41
  6. Step 6: Final answer
    x = 15,587.59

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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.