Home / 19,484.64-26,894.88-11,106.72

Finding the Fourth Proportional to 19,484.64, 26,894.88 and 11,106.72

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Solution

The fourth proportional to 19,484.64, 26,894.88 and 11,106.72 is: 15,330.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.64 : 26,894.88 = 11,106.72 : x
  2. Step 2: Convert to fraction form
    19,484.64/26,894.88 = 11,106.72/x
  3. Step 3: Cross multiply
    19,484.64x = 26,894.88 × 11,106.72
  4. Step 4: Simplify right side
    19,484.64x = 298,713,901.59
  5. Step 5: Solve for x
    x = 298,713,901.59/19,484.64
  6. Step 6: Final answer
    x = 15,330.74

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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.