Home / 12,903.60-19,344.48-5,108.16

Finding the Fourth Proportional to 12,903.60, 19,344.48 and 5,108.16

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Solution

The fourth proportional to 12,903.60, 19,344.48 and 5,108.16 is: 7,657.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,903.60 : 19,344.48 = 5,108.16 : x
  2. Step 2: Convert to fraction form
    12,903.60/19,344.48 = 5,108.16/x
  3. Step 3: Cross multiply
    12,903.60x = 19,344.48 × 5,108.16
  4. Step 4: Simplify right side
    12,903.60x = 98,814,698.96
  5. Step 5: Solve for x
    x = 98,814,698.96/12,903.60
  6. Step 6: Final answer
    x = 7,657.92

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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.