Home / 10,345.88-14,272.88-8,098.74

Finding the Fourth Proportional to 10,345.88, 14,272.88 and 8,098.74

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Solution

The fourth proportional to 10,345.88, 14,272.88 and 8,098.74 is: 11,172.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.88 : 14,272.88 = 8,098.74 : x
  2. Step 2: Convert to fraction form
    10,345.88/14,272.88 = 8,098.74/x
  3. Step 3: Cross multiply
    10,345.88x = 14,272.88 × 8,098.74
  4. Step 4: Simplify right side
    10,345.88x = 115,592,303.68
  5. Step 5: Solve for x
    x = 115,592,303.68/10,345.88
  6. Step 6: Final answer
    x = 11,172.79

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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.