Home / 12,909.42-19,360.25-4,588.34

Finding the Fourth Proportional to 12,909.42, 19,360.25 and 4,588.34

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Solution

The fourth proportional to 12,909.42, 19,360.25 and 4,588.34 is: 6,881.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,909.42 : 19,360.25 = 4,588.34 : x
  2. Step 2: Convert to fraction form
    12,909.42/19,360.25 = 4,588.34/x
  3. Step 3: Cross multiply
    12,909.42x = 19,360.25 × 4,588.34
  4. Step 4: Simplify right side
    12,909.42x = 88,831,469.36
  5. Step 5: Solve for x
    x = 88,831,469.36/12,909.42
  6. Step 6: Final answer
    x = 6,881.14

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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.