Home / 10,422.64-14,383.28-5,707.23

Finding the Fourth Proportional to 10,422.64, 14,383.28 and 5,707.23

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Solution

The fourth proportional to 10,422.64, 14,383.28 and 5,707.23 is: 7,876.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.64 : 14,383.28 = 5,707.23 : x
  2. Step 2: Convert to fraction form
    10,422.64/14,383.28 = 5,707.23/x
  3. Step 3: Cross multiply
    10,422.64x = 14,383.28 × 5,707.23
  4. Step 4: Simplify right side
    10,422.64x = 82,088,687.11
  5. Step 5: Solve for x
    x = 82,088,687.11/10,422.64
  6. Step 6: Final answer
    x = 7,876.00

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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.