Home / 14,225.63-21,311.71-13,151.57

Finding the Fourth Proportional to 14,225.63, 21,311.71 and 13,151.57

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Solution

The fourth proportional to 14,225.63, 21,311.71 and 13,151.57 is: 19,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,225.63 : 21,311.71 = 13,151.57 : x
  2. Step 2: Convert to fraction form
    14,225.63/21,311.71 = 13,151.57/x
  3. Step 3: Cross multiply
    14,225.63x = 21,311.71 × 13,151.57
  4. Step 4: Simplify right side
    14,225.63x = 280,282,306.45
  5. Step 5: Solve for x
    x = 280,282,306.45/14,225.63
  6. Step 6: Final answer
    x = 19,702.64

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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.