Home / 18,531.64-25,573.08-10,148.20

Finding the Fourth Proportional to 18,531.64, 25,573.08 and 10,148.20

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Solution

The fourth proportional to 18,531.64, 25,573.08 and 10,148.20 is: 14,004.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,531.64 : 25,573.08 = 10,148.20 : x
  2. Step 2: Convert to fraction form
    18,531.64/25,573.08 = 10,148.20/x
  3. Step 3: Cross multiply
    18,531.64x = 25,573.08 × 10,148.20
  4. Step 4: Simplify right side
    18,531.64x = 259,520,730.46
  5. Step 5: Solve for x
    x = 259,520,730.46/18,531.64
  6. Step 6: Final answer
    x = 14,004.20

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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.