Home / 11,012.61-15,188.55-10,089.96

Finding the Fourth Proportional to 11,012.61, 15,188.55 and 10,089.96

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Solution

The fourth proportional to 11,012.61, 15,188.55 and 10,089.96 is: 13,916.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,012.61 : 15,188.55 = 10,089.96 : x
  2. Step 2: Convert to fraction form
    11,012.61/15,188.55 = 10,089.96/x
  3. Step 3: Cross multiply
    11,012.61x = 15,188.55 × 10,089.96
  4. Step 4: Simplify right side
    11,012.61x = 153,251,861.96
  5. Step 5: Solve for x
    x = 153,251,861.96/11,012.61
  6. Step 6: Final answer
    x = 13,916.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.