Home / 10,464.12-14,419.20-9,725.94

Finding the Fourth Proportional to 10,464.12, 14,419.20 and 9,725.94

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Solution

The fourth proportional to 10,464.12, 14,419.20 and 9,725.94 is: 13,402.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.12 : 14,419.20 = 9,725.94 : x
  2. Step 2: Convert to fraction form
    10,464.12/14,419.20 = 9,725.94/x
  3. Step 3: Cross multiply
    10,464.12x = 14,419.20 × 9,725.94
  4. Step 4: Simplify right side
    10,464.12x = 140,240,274.05
  5. Step 5: Solve for x
    x = 140,240,274.05/10,464.12
  6. Step 6: Final answer
    x = 13,402.01

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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.