Home / 14,590.09-20,134.40-8,302.46

Finding the Fourth Proportional to 14,590.09, 20,134.40 and 8,302.46

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Solution

The fourth proportional to 14,590.09, 20,134.40 and 8,302.46 is: 11,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,590.09 : 20,134.40 = 8,302.46 : x
  2. Step 2: Convert to fraction form
    14,590.09/20,134.40 = 8,302.46/x
  3. Step 3: Cross multiply
    14,590.09x = 20,134.40 × 8,302.46
  4. Step 4: Simplify right side
    14,590.09x = 167,165,059.45
  5. Step 5: Solve for x
    x = 167,165,059.45/14,590.09
  6. Step 6: Final answer
    x = 11,457.44

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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.