Home / 10,830.20-14,937.68-6,847.47

Finding the Fourth Proportional to 10,830.20, 14,937.68 and 6,847.47

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Solution

The fourth proportional to 10,830.20, 14,937.68 and 6,847.47 is: 9,444.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.20 : 14,937.68 = 6,847.47 : x
  2. Step 2: Convert to fraction form
    10,830.20/14,937.68 = 6,847.47/x
  3. Step 3: Cross multiply
    10,830.20x = 14,937.68 × 6,847.47
  4. Step 4: Simplify right side
    10,830.20x = 102,285,206.74
  5. Step 5: Solve for x
    x = 102,285,206.74/10,830.20
  6. Step 6: Final answer
    x = 9,444.44

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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.