Home / 10,609.20-14,634.48-7,250.40

Finding the Fourth Proportional to 10,609.20, 14,634.48 and 7,250.40

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Solution

The fourth proportional to 10,609.20, 14,634.48 and 7,250.40 is: 10,001.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,609.20 : 14,634.48 = 7,250.40 : x
  2. Step 2: Convert to fraction form
    10,609.20/14,634.48 = 7,250.40/x
  3. Step 3: Cross multiply
    10,609.20x = 14,634.48 × 7,250.40
  4. Step 4: Simplify right side
    10,609.20x = 106,105,833.79
  5. Step 5: Solve for x
    x = 106,105,833.79/10,609.20
  6. Step 6: Final answer
    x = 10,001.30

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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.