Home / 11,487.16-17,216.04-10,000.30

Finding the Fourth Proportional to 11,487.16, 17,216.04 and 10,000.30

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Solution

The fourth proportional to 11,487.16, 17,216.04 and 10,000.30 is: 14,987.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.16 : 17,216.04 = 10,000.30 : x
  2. Step 2: Convert to fraction form
    11,487.16/17,216.04 = 10,000.30/x
  3. Step 3: Cross multiply
    11,487.16x = 17,216.04 × 10,000.30
  4. Step 4: Simplify right side
    11,487.16x = 172,165,564.81
  5. Step 5: Solve for x
    x = 172,165,564.81/11,487.16
  6. Step 6: Final answer
    x = 14,987.65

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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.