Home / 12,138.02-16,708.34-10,464.96

Finding the Fourth Proportional to 12,138.02, 16,708.34 and 10,464.96

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Solution

The fourth proportional to 12,138.02, 16,708.34 and 10,464.96 is: 14,405.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,138.02 : 16,708.34 = 10,464.96 : x
  2. Step 2: Convert to fraction form
    12,138.02/16,708.34 = 10,464.96/x
  3. Step 3: Cross multiply
    12,138.02x = 16,708.34 × 10,464.96
  4. Step 4: Simplify right side
    12,138.02x = 174,852,109.77
  5. Step 5: Solve for x
    x = 174,852,109.77/12,138.02
  6. Step 6: Final answer
    x = 14,405.32

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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.