Home / 18,976.64-26,187.63-10,479.29

Finding the Fourth Proportional to 18,976.64, 26,187.63 and 10,479.29

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Solution

The fourth proportional to 18,976.64, 26,187.63 and 10,479.29 is: 14,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.64 : 26,187.63 = 10,479.29 : x
  2. Step 2: Convert to fraction form
    18,976.64/26,187.63 = 10,479.29/x
  3. Step 3: Cross multiply
    18,976.64x = 26,187.63 × 10,479.29
  4. Step 4: Simplify right side
    18,976.64x = 274,427,769.18
  5. Step 5: Solve for x
    x = 274,427,769.18/18,976.64
  6. Step 6: Final answer
    x = 14,461.35

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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.