Home / 23,130.66-31,919.09-13,569.23

Finding the Fourth Proportional to 23,130.66, 31,919.09 and 13,569.23

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Solution

The fourth proportional to 23,130.66, 31,919.09 and 13,569.23 is: 18,724.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.66 : 31,919.09 = 13,569.23 : x
  2. Step 2: Convert to fraction form
    23,130.66/31,919.09 = 13,569.23/x
  3. Step 3: Cross multiply
    23,130.66x = 31,919.09 × 13,569.23
  4. Step 4: Simplify right side
    23,130.66x = 433,117,246.16
  5. Step 5: Solve for x
    x = 433,117,246.16/23,130.66
  6. Step 6: Final answer
    x = 18,724.81

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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.