Home / 10,250.30-14,140.23-7,891.58

Finding the Fourth Proportional to 10,250.30, 14,140.23 and 7,891.58

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Solution

The fourth proportional to 10,250.30, 14,140.23 and 7,891.58 is: 10,886.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,250.30 : 14,140.23 = 7,891.58 : x
  2. Step 2: Convert to fraction form
    10,250.30/14,140.23 = 7,891.58/x
  3. Step 3: Cross multiply
    10,250.30x = 14,140.23 × 7,891.58
  4. Step 4: Simplify right side
    10,250.30x = 111,588,756.26
  5. Step 5: Solve for x
    x = 111,588,756.26/10,250.30
  6. Step 6: Final answer
    x = 10,886.39

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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.