Home / 14,823.80-20,457.36-8,451.34

Finding the Fourth Proportional to 14,823.80, 20,457.36 and 8,451.34

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Solution

The fourth proportional to 14,823.80, 20,457.36 and 8,451.34 is: 11,663.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.80 : 20,457.36 = 8,451.34 : x
  2. Step 2: Convert to fraction form
    14,823.80/20,457.36 = 8,451.34/x
  3. Step 3: Cross multiply
    14,823.80x = 20,457.36 × 8,451.34
  4. Step 4: Simplify right side
    14,823.80x = 172,892,098.74
  5. Step 5: Solve for x
    x = 172,892,098.74/14,823.80
  6. Step 6: Final answer
    x = 11,663.14

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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.