Home / 15,731.24-23,574.86-11,831.08

Finding the Fourth Proportional to 15,731.24, 23,574.86 and 11,831.08

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Solution

The fourth proportional to 15,731.24, 23,574.86 and 11,831.08 is: 17,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,731.24 : 23,574.86 = 11,831.08 : x
  2. Step 2: Convert to fraction form
    15,731.24/23,574.86 = 11,831.08/x
  3. Step 3: Cross multiply
    15,731.24x = 23,574.86 × 11,831.08
  4. Step 4: Simplify right side
    15,731.24x = 278,916,054.65
  5. Step 5: Solve for x
    x = 278,916,054.65/15,731.24
  6. Step 6: Final answer
    x = 17,730.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.