Home / 14,648.45-20,226.51-13,528.94

Finding the Fourth Proportional to 14,648.45, 20,226.51 and 13,528.94

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Solution

The fourth proportional to 14,648.45, 20,226.51 and 13,528.94 is: 18,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,648.45 : 20,226.51 = 13,528.94 : x
  2. Step 2: Convert to fraction form
    14,648.45/20,226.51 = 13,528.94/x
  3. Step 3: Cross multiply
    14,648.45x = 20,226.51 × 13,528.94
  4. Step 4: Simplify right side
    14,648.45x = 273,643,139.07
  5. Step 5: Solve for x
    x = 273,643,139.07/14,648.45
  6. Step 6: Final answer
    x = 18,680.70

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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.