Home / 10,395.36-14,345.28-5,679.52

Finding the Fourth Proportional to 10,395.36, 14,345.28 and 5,679.52

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Solution

The fourth proportional to 10,395.36, 14,345.28 and 5,679.52 is: 7,837.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.36 : 14,345.28 = 5,679.52 : x
  2. Step 2: Convert to fraction form
    10,395.36/14,345.28 = 5,679.52/x
  3. Step 3: Cross multiply
    10,395.36x = 14,345.28 × 5,679.52
  4. Step 4: Simplify right side
    10,395.36x = 81,474,304.67
  5. Step 5: Solve for x
    x = 81,474,304.67/10,395.36
  6. Step 6: Final answer
    x = 7,837.56

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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.