Home / 15,289.46-21,097.77-8,573.70

Finding the Fourth Proportional to 15,289.46, 21,097.77 and 8,573.70

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Solution

The fourth proportional to 15,289.46, 21,097.77 and 8,573.70 is: 11,830.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,289.46 : 21,097.77 = 8,573.70 : x
  2. Step 2: Convert to fraction form
    15,289.46/21,097.77 = 8,573.70/x
  3. Step 3: Cross multiply
    15,289.46x = 21,097.77 × 8,573.70
  4. Step 4: Simplify right side
    15,289.46x = 180,885,878.94
  5. Step 5: Solve for x
    x = 180,885,878.94/15,289.46
  6. Step 6: Final answer
    x = 11,830.76

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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.