Home / 14,748.76-20,352.06-8,459.80

Finding the Fourth Proportional to 14,748.76, 20,352.06 and 8,459.80

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Solution

The fourth proportional to 14,748.76, 20,352.06 and 8,459.80 is: 11,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,748.76 : 20,352.06 = 8,459.80 : x
  2. Step 2: Convert to fraction form
    14,748.76/20,352.06 = 8,459.80/x
  3. Step 3: Cross multiply
    14,748.76x = 20,352.06 × 8,459.80
  4. Step 4: Simplify right side
    14,748.76x = 172,174,357.19
  5. Step 5: Solve for x
    x = 172,174,357.19/14,748.76
  6. Step 6: Final answer
    x = 11,673.82

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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.