Home / 10,395.03-14,345.15-5,918.78

Finding the Fourth Proportional to 10,395.03, 14,345.15 and 5,918.78

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Solution

The fourth proportional to 10,395.03, 14,345.15 and 5,918.78 is: 8,167.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,395.03 : 14,345.15 = 5,918.78 : x
  2. Step 2: Convert to fraction form
    10,395.03/14,345.15 = 5,918.78/x
  3. Step 3: Cross multiply
    10,395.03x = 14,345.15 × 5,918.78
  4. Step 4: Simplify right side
    10,395.03x = 84,905,736.26
  5. Step 5: Solve for x
    x = 84,905,736.26/10,395.03
  6. Step 6: Final answer
    x = 8,167.92

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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.