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Finding the Fourth Proportional to 14,074.62, 19,423.02 and 7,701.08

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Solution

The fourth proportional to 14,074.62, 19,423.02 and 7,701.08 is: 10,627.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,074.62 : 19,423.02 = 7,701.08 : x
  2. Step 2: Convert to fraction form
    14,074.62/19,423.02 = 7,701.08/x
  3. Step 3: Cross multiply
    14,074.62x = 19,423.02 × 7,701.08
  4. Step 4: Simplify right side
    14,074.62x = 149,578,230.86
  5. Step 5: Solve for x
    x = 149,578,230.86/14,074.62
  6. Step 6: Final answer
    x = 10,627.51

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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.