Home / 11,011.40-16,501.40-5,459.26

Finding the Fourth Proportional to 11,011.40, 16,501.40 and 5,459.26

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Solution

The fourth proportional to 11,011.40, 16,501.40 and 5,459.26 is: 8,181.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.40 : 16,501.40 = 5,459.26 : x
  2. Step 2: Convert to fraction form
    11,011.40/16,501.40 = 5,459.26/x
  3. Step 3: Cross multiply
    11,011.40x = 16,501.40 × 5,459.26
  4. Step 4: Simplify right side
    11,011.40x = 90,085,432.96
  5. Step 5: Solve for x
    x = 90,085,432.96/11,011.40
  6. Step 6: Final answer
    x = 8,181.11

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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.