Home / 11,208.70-16,818.45-8,575.30

Finding the Fourth Proportional to 11,208.70, 16,818.45 and 8,575.30

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Solution

The fourth proportional to 11,208.70, 16,818.45 and 8,575.30 is: 12,867.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,208.70 : 16,818.45 = 8,575.30 : x
  2. Step 2: Convert to fraction form
    11,208.70/16,818.45 = 8,575.30/x
  3. Step 3: Cross multiply
    11,208.70x = 16,818.45 × 8,575.30
  4. Step 4: Simplify right side
    11,208.70x = 144,223,254.29
  5. Step 5: Solve for x
    x = 144,223,254.29/11,208.70
  6. Step 6: Final answer
    x = 12,867.08

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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.