Home / 14,681.72-20,257.26-8,392.52

Finding the Fourth Proportional to 14,681.72, 20,257.26 and 8,392.52

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Solution

The fourth proportional to 14,681.72, 20,257.26 and 8,392.52 is: 11,579.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,681.72 : 20,257.26 = 8,392.52 : x
  2. Step 2: Convert to fraction form
    14,681.72/20,257.26 = 8,392.52/x
  3. Step 3: Cross multiply
    14,681.72x = 20,257.26 × 8,392.52
  4. Step 4: Simplify right side
    14,681.72x = 170,009,459.70
  5. Step 5: Solve for x
    x = 170,009,459.70/14,681.72
  6. Step 6: Final answer
    x = 11,579.67

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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.