Home / 13,684.59-20,475.63-9,744.95

Finding the Fourth Proportional to 13,684.59, 20,475.63 and 9,744.95

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Solution

The fourth proportional to 13,684.59, 20,475.63 and 9,744.95 is: 14,580.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,684.59 : 20,475.63 = 9,744.95 : x
  2. Step 2: Convert to fraction form
    13,684.59/20,475.63 = 9,744.95/x
  3. Step 3: Cross multiply
    13,684.59x = 20,475.63 × 9,744.95
  4. Step 4: Simplify right side
    13,684.59x = 199,533,941.84
  5. Step 5: Solve for x
    x = 199,533,941.84/13,684.59
  6. Step 6: Final answer
    x = 14,580.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.