Home / 18,970.64-26,179.44-11,017.52

Finding the Fourth Proportional to 18,970.64, 26,179.44 and 11,017.52

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Solution

The fourth proportional to 18,970.64, 26,179.44 and 11,017.52 is: 15,204.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.64 : 26,179.44 = 11,017.52 : x
  2. Step 2: Convert to fraction form
    18,970.64/26,179.44 = 11,017.52/x
  3. Step 3: Cross multiply
    18,970.64x = 26,179.44 × 11,017.52
  4. Step 4: Simplify right side
    18,970.64x = 288,432,503.79
  5. Step 5: Solve for x
    x = 288,432,503.79/18,970.64
  6. Step 6: Final answer
    x = 15,204.15

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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.