Home / 10,306.36-14,282.63-10,109.44

Finding the Fourth Proportional to 10,306.36, 14,282.63 and 10,109.44

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Solution

The fourth proportional to 10,306.36, 14,282.63 and 10,109.44 is: 14,009.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,306.36 : 14,282.63 = 10,109.44 : x
  2. Step 2: Convert to fraction form
    10,306.36/14,282.63 = 10,109.44/x
  3. Step 3: Cross multiply
    10,306.36x = 14,282.63 × 10,109.44
  4. Step 4: Simplify right side
    10,306.36x = 144,389,391.03
  5. Step 5: Solve for x
    x = 144,389,391.03/10,306.36
  6. Step 6: Final answer
    x = 14,009.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.