Home / 11,287.76-15,585.41-10,448.06

Finding the Fourth Proportional to 11,287.76, 15,585.41 and 10,448.06

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Solution

The fourth proportional to 11,287.76, 15,585.41 and 10,448.06 is: 14,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.76 : 15,585.41 = 10,448.06 : x
  2. Step 2: Convert to fraction form
    11,287.76/15,585.41 = 10,448.06/x
  3. Step 3: Cross multiply
    11,287.76x = 15,585.41 × 10,448.06
  4. Step 4: Simplify right side
    11,287.76x = 162,837,247.00
  5. Step 5: Solve for x
    x = 162,837,247.00/11,287.76
  6. Step 6: Final answer
    x = 14,426.01

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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.