Home / 23,130.79-31,921.26-14,176.56

Finding the Fourth Proportional to 23,130.79, 31,921.26 and 14,176.56

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Solution

The fourth proportional to 23,130.79, 31,921.26 and 14,176.56 is: 19,564.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,130.79 : 31,921.26 = 14,176.56 : x
  2. Step 2: Convert to fraction form
    23,130.79/31,921.26 = 14,176.56/x
  3. Step 3: Cross multiply
    23,130.79x = 31,921.26 × 14,176.56
  4. Step 4: Simplify right side
    23,130.79x = 452,533,724.21
  5. Step 5: Solve for x
    x = 452,533,724.21/23,130.79
  6. Step 6: Final answer
    x = 19,564.13

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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.