Home / 9,271.79-13,894.68-5,113.74

Finding the Fourth Proportional to 9,271.79, 13,894.68 and 5,113.74

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Solution

The fourth proportional to 9,271.79, 13,894.68 and 5,113.74 is: 7,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,271.79 : 13,894.68 = 5,113.74 : x
  2. Step 2: Convert to fraction form
    9,271.79/13,894.68 = 5,113.74/x
  3. Step 3: Cross multiply
    9,271.79x = 13,894.68 × 5,113.74
  4. Step 4: Simplify right side
    9,271.79x = 71,053,780.90
  5. Step 5: Solve for x
    x = 71,053,780.90/9,271.79
  6. Step 6: Final answer
    x = 7,663.44

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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.