Home / 10,261.64-14,159.98-5,785.28

Finding the Fourth Proportional to 10,261.64, 14,159.98 and 5,785.28

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Solution

The fourth proportional to 10,261.64, 14,159.98 and 5,785.28 is: 7,983.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.64 : 14,159.98 = 5,785.28 : x
  2. Step 2: Convert to fraction form
    10,261.64/14,159.98 = 5,785.28/x
  3. Step 3: Cross multiply
    10,261.64x = 14,159.98 × 5,785.28
  4. Step 4: Simplify right side
    10,261.64x = 81,919,449.09
  5. Step 5: Solve for x
    x = 81,919,449.09/10,261.64
  6. Step 6: Final answer
    x = 7,983.08

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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.