Home / 11,838.02-16,331.50-8,303.54

Finding the Fourth Proportional to 11,838.02, 16,331.50 and 8,303.54

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Solution

The fourth proportional to 11,838.02, 16,331.50 and 8,303.54 is: 11,455.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.02 : 16,331.50 = 8,303.54 : x
  2. Step 2: Convert to fraction form
    11,838.02/16,331.50 = 8,303.54/x
  3. Step 3: Cross multiply
    11,838.02x = 16,331.50 × 8,303.54
  4. Step 4: Simplify right side
    11,838.02x = 135,609,263.51
  5. Step 5: Solve for x
    x = 135,609,263.51/11,838.02
  6. Step 6: Final answer
    x = 11,455.40

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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.