Home / 14,723.22-20,309.49-9,124.50

Finding the Fourth Proportional to 14,723.22, 20,309.49 and 9,124.50

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Solution

The fourth proportional to 14,723.22, 20,309.49 and 9,124.50 is: 12,586.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.22 : 20,309.49 = 9,124.50 : x
  2. Step 2: Convert to fraction form
    14,723.22/20,309.49 = 9,124.50/x
  3. Step 3: Cross multiply
    14,723.22x = 20,309.49 × 9,124.50
  4. Step 4: Simplify right side
    14,723.22x = 185,313,941.51
  5. Step 5: Solve for x
    x = 185,313,941.51/14,723.22
  6. Step 6: Final answer
    x = 12,586.51

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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.