Home / 10,901.02-15,039.54-7,126.36

Finding the Fourth Proportional to 10,901.02, 15,039.54 and 7,126.36

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Solution

The fourth proportional to 10,901.02, 15,039.54 and 7,126.36 is: 9,831.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,901.02 : 15,039.54 = 7,126.36 : x
  2. Step 2: Convert to fraction form
    10,901.02/15,039.54 = 7,126.36/x
  3. Step 3: Cross multiply
    10,901.02x = 15,039.54 × 7,126.36
  4. Step 4: Simplify right side
    10,901.02x = 107,177,176.27
  5. Step 5: Solve for x
    x = 107,177,176.27/10,901.02
  6. Step 6: Final answer
    x = 9,831.85

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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.