Home / 11,011.03-16,485.05-10,312.71

Finding the Fourth Proportional to 11,011.03, 16,485.05 and 10,312.71

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Solution

The fourth proportional to 11,011.03, 16,485.05 and 10,312.71 is: 15,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,011.03 : 16,485.05 = 10,312.71 : x
  2. Step 2: Convert to fraction form
    11,011.03/16,485.05 = 10,312.71/x
  3. Step 3: Cross multiply
    11,011.03x = 16,485.05 × 10,312.71
  4. Step 4: Simplify right side
    11,011.03x = 170,005,539.99
  5. Step 5: Solve for x
    x = 170,005,539.99/11,011.03
  6. Step 6: Final answer
    x = 15,439.57

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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.