Home / 23,884.71-32,960.81-13,130.31

Finding the Fourth Proportional to 23,884.71, 32,960.81 and 13,130.31

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Solution

The fourth proportional to 23,884.71, 32,960.81 and 13,130.31 is: 18,119.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,884.71 : 32,960.81 = 13,130.31 : x
  2. Step 2: Convert to fraction form
    23,884.71/32,960.81 = 13,130.31/x
  3. Step 3: Cross multiply
    23,884.71x = 32,960.81 × 13,130.31
  4. Step 4: Simplify right side
    23,884.71x = 432,785,587.50
  5. Step 5: Solve for x
    x = 432,785,587.50/23,884.71
  6. Step 6: Final answer
    x = 18,119.78

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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.