Home / 10,498.08-15,698.46-8,131.26

Finding the Fourth Proportional to 10,498.08, 15,698.46 and 8,131.26

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Solution

The fourth proportional to 10,498.08, 15,698.46 and 8,131.26 is: 12,159.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498.08 : 15,698.46 = 8,131.26 : x
  2. Step 2: Convert to fraction form
    10,498.08/15,698.46 = 8,131.26/x
  3. Step 3: Cross multiply
    10,498.08x = 15,698.46 × 8,131.26
  4. Step 4: Simplify right side
    10,498.08x = 127,648,259.86
  5. Step 5: Solve for x
    x = 127,648,259.86/10,498.08
  6. Step 6: Final answer
    x = 12,159.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.