Home / 14,720.46-20,306.07-9,685.50

Finding the Fourth Proportional to 14,720.46, 20,306.07 and 9,685.50

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Solution

The fourth proportional to 14,720.46, 20,306.07 and 9,685.50 is: 13,360.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,720.46 : 20,306.07 = 9,685.50 : x
  2. Step 2: Convert to fraction form
    14,720.46/20,306.07 = 9,685.50/x
  3. Step 3: Cross multiply
    14,720.46x = 20,306.07 × 9,685.50
  4. Step 4: Simplify right side
    14,720.46x = 196,674,440.99
  5. Step 5: Solve for x
    x = 196,674,440.99/14,720.46
  6. Step 6: Final answer
    x = 13,360.62

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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.