Home / 14,580.04-20,119.92-8,206.76

Finding the Fourth Proportional to 14,580.04, 20,119.92 and 8,206.76

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Solution

The fourth proportional to 14,580.04, 20,119.92 and 8,206.76 is: 11,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,580.04 : 20,119.92 = 8,206.76 : x
  2. Step 2: Convert to fraction form
    14,580.04/20,119.92 = 8,206.76/x
  3. Step 3: Cross multiply
    14,580.04x = 20,119.92 × 8,206.76
  4. Step 4: Simplify right side
    14,580.04x = 165,119,354.66
  5. Step 5: Solve for x
    x = 165,119,354.66/14,580.04
  6. Step 6: Final answer
    x = 11,325.03

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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.