Home / 14,722.73-20,315.51-9,953.04

Finding the Fourth Proportional to 14,722.73, 20,315.51 and 9,953.04

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Solution

The fourth proportional to 14,722.73, 20,315.51 and 9,953.04 is: 13,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.73 : 20,315.51 = 9,953.04 : x
  2. Step 2: Convert to fraction form
    14,722.73/20,315.51 = 9,953.04/x
  3. Step 3: Cross multiply
    14,722.73x = 20,315.51 × 9,953.04
  4. Step 4: Simplify right side
    14,722.73x = 202,201,184.72
  5. Step 5: Solve for x
    x = 202,201,184.72/14,722.73
  6. Step 6: Final answer
    x = 13,733.95

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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.