Home / 20,258.64-30,381.30-8,569.26

Finding the Fourth Proportional to 20,258.64, 30,381.30 and 8,569.26

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Solution

The fourth proportional to 20,258.64, 30,381.30 and 8,569.26 is: 12,851.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.64 : 30,381.30 = 8,569.26 : x
  2. Step 2: Convert to fraction form
    20,258.64/30,381.30 = 8,569.26/x
  3. Step 3: Cross multiply
    20,258.64x = 30,381.30 × 8,569.26
  4. Step 4: Simplify right side
    20,258.64x = 260,345,258.84
  5. Step 5: Solve for x
    x = 260,345,258.84/20,258.64
  6. Step 6: Final answer
    x = 12,851.07

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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.