Home / 10,577.35-14,579.80-8,335.51

Finding the Fourth Proportional to 10,577.35, 14,579.80 and 8,335.51

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Solution

The fourth proportional to 10,577.35, 14,579.80 and 8,335.51 is: 11,489.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,577.35 : 14,579.80 = 8,335.51 : x
  2. Step 2: Convert to fraction form
    10,577.35/14,579.80 = 8,335.51/x
  3. Step 3: Cross multiply
    10,577.35x = 14,579.80 × 8,335.51
  4. Step 4: Simplify right side
    10,577.35x = 121,530,068.70
  5. Step 5: Solve for x
    x = 121,530,068.70/10,577.35
  6. Step 6: Final answer
    x = 11,489.65

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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.