Home / 10,899.24-16,345.62-3,503.40

Finding the Fourth Proportional to 10,899.24, 16,345.62 and 3,503.40

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Solution

The fourth proportional to 10,899.24, 16,345.62 and 3,503.40 is: 5,254.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,899.24 : 16,345.62 = 3,503.40 : x
  2. Step 2: Convert to fraction form
    10,899.24/16,345.62 = 3,503.40/x
  3. Step 3: Cross multiply
    10,899.24x = 16,345.62 × 3,503.40
  4. Step 4: Simplify right side
    10,899.24x = 57,265,245.11
  5. Step 5: Solve for x
    x = 57,265,245.11/10,899.24
  6. Step 6: Final answer
    x = 5,254.06

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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.