Home / 10,509.40-14,458.26-10,217.80

Finding the Fourth Proportional to 10,509.40, 14,458.26 and 10,217.80

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Solution

The fourth proportional to 10,509.40, 14,458.26 and 10,217.80 is: 14,057.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,509.40 : 14,458.26 = 10,217.80 : x
  2. Step 2: Convert to fraction form
    10,509.40/14,458.26 = 10,217.80/x
  3. Step 3: Cross multiply
    10,509.40x = 14,458.26 × 10,217.80
  4. Step 4: Simplify right side
    10,509.40x = 147,731,609.03
  5. Step 5: Solve for x
    x = 147,731,609.03/10,509.40
  6. Step 6: Final answer
    x = 14,057.09

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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.