Home / 11,301.16-16,931.10-6,363.40

Finding the Fourth Proportional to 11,301.16, 16,931.10 and 6,363.40

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Solution

The fourth proportional to 11,301.16, 16,931.10 and 6,363.40 is: 9,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,301.16 : 16,931.10 = 6,363.40 : x
  2. Step 2: Convert to fraction form
    11,301.16/16,931.10 = 6,363.40/x
  3. Step 3: Cross multiply
    11,301.16x = 16,931.10 × 6,363.40
  4. Step 4: Simplify right side
    11,301.16x = 107,739,361.74
  5. Step 5: Solve for x
    x = 107,739,361.74/11,301.16
  6. Step 6: Final answer
    x = 9,533.48

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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.