Home / 12,530.64-18,785.04-10,693.56

Finding the Fourth Proportional to 12,530.64, 18,785.04 and 10,693.56

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Solution

The fourth proportional to 12,530.64, 18,785.04 and 10,693.56 is: 16,031.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,530.64 : 18,785.04 = 10,693.56 : x
  2. Step 2: Convert to fraction form
    12,530.64/18,785.04 = 10,693.56/x
  3. Step 3: Cross multiply
    12,530.64x = 18,785.04 × 10,693.56
  4. Step 4: Simplify right side
    12,530.64x = 200,878,952.34
  5. Step 5: Solve for x
    x = 200,878,952.34/12,530.64
  6. Step 6: Final answer
    x = 16,031.02

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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.