Home / 10,931.36-16,402.50-4,363.07

Finding the Fourth Proportional to 10,931.36, 16,402.50 and 4,363.07

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Solution

The fourth proportional to 10,931.36, 16,402.50 and 4,363.07 is: 6,546.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.36 : 16,402.50 = 4,363.07 : x
  2. Step 2: Convert to fraction form
    10,931.36/16,402.50 = 4,363.07/x
  3. Step 3: Cross multiply
    10,931.36x = 16,402.50 × 4,363.07
  4. Step 4: Simplify right side
    10,931.36x = 71,565,173.66
  5. Step 5: Solve for x
    x = 71,565,173.66/10,931.36
  6. Step 6: Final answer
    x = 6,546.78

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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.