Home / 10,298.10-14,200.68-8,810.94

Finding the Fourth Proportional to 10,298.10, 14,200.68 and 8,810.94

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Solution

The fourth proportional to 10,298.10, 14,200.68 and 8,810.94 is: 12,149.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,298.10 : 14,200.68 = 8,810.94 : x
  2. Step 2: Convert to fraction form
    10,298.10/14,200.68 = 8,810.94/x
  3. Step 3: Cross multiply
    10,298.10x = 14,200.68 × 8,810.94
  4. Step 4: Simplify right side
    10,298.10x = 125,121,339.44
  5. Step 5: Solve for x
    x = 125,121,339.44/10,298.10
  6. Step 6: Final answer
    x = 12,149.94

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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.