Home / 10,386.06-14,335.83-7,243.26

Finding the Fourth Proportional to 10,386.06, 14,335.83 and 7,243.26

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Solution

The fourth proportional to 10,386.06, 14,335.83 and 7,243.26 is: 9,997.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.06 : 14,335.83 = 7,243.26 : x
  2. Step 2: Convert to fraction form
    10,386.06/14,335.83 = 7,243.26/x
  3. Step 3: Cross multiply
    10,386.06x = 14,335.83 × 7,243.26
  4. Step 4: Simplify right side
    10,386.06x = 103,838,144.01
  5. Step 5: Solve for x
    x = 103,838,144.01/10,386.06
  6. Step 6: Final answer
    x = 9,997.84

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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.