Home / 10,266.54-14,166.77-7,579.18

Finding the Fourth Proportional to 10,266.54, 14,166.77 and 7,579.18

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Solution

The fourth proportional to 10,266.54, 14,166.77 and 7,579.18 is: 10,458.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,266.54 : 14,166.77 = 7,579.18 : x
  2. Step 2: Convert to fraction form
    10,266.54/14,166.77 = 7,579.18/x
  3. Step 3: Cross multiply
    10,266.54x = 14,166.77 × 7,579.18
  4. Step 4: Simplify right side
    10,266.54x = 107,372,461.95
  5. Step 5: Solve for x
    x = 107,372,461.95/10,266.54
  6. Step 6: Final answer
    x = 10,458.49

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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.