Home / 10,303.10-14,207.59-8,815.94

Finding the Fourth Proportional to 10,303.10, 14,207.59 and 8,815.94

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Solution

The fourth proportional to 10,303.10, 14,207.59 and 8,815.94 is: 12,156.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.10 : 14,207.59 = 8,815.94 : x
  2. Step 2: Convert to fraction form
    10,303.10/14,207.59 = 8,815.94/x
  3. Step 3: Cross multiply
    10,303.10x = 14,207.59 × 8,815.94
  4. Step 4: Simplify right side
    10,303.10x = 125,253,260.98
  5. Step 5: Solve for x
    x = 125,253,260.98/10,303.10
  6. Step 6: Final answer
    x = 12,156.85

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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.