Home / 12,521.17-18,785.28-6,273.64

Finding the Fourth Proportional to 12,521.17, 18,785.28 and 6,273.64

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Solution

The fourth proportional to 12,521.17, 18,785.28 and 6,273.64 is: 9,412.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,521.17 : 18,785.28 = 6,273.64 : x
  2. Step 2: Convert to fraction form
    12,521.17/18,785.28 = 6,273.64/x
  3. Step 3: Cross multiply
    12,521.17x = 18,785.28 × 6,273.64
  4. Step 4: Simplify right side
    12,521.17x = 117,852,084.02
  5. Step 5: Solve for x
    x = 117,852,084.02/12,521.17
  6. Step 6: Final answer
    x = 9,412.23

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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.