Home / 18,904.50-26,088.23-10,947.15

Finding the Fourth Proportional to 18,904.50, 26,088.23 and 10,947.15

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Solution

The fourth proportional to 18,904.50, 26,088.23 and 10,947.15 is: 15,107.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,904.50 : 26,088.23 = 10,947.15 : x
  2. Step 2: Convert to fraction form
    18,904.50/26,088.23 = 10,947.15/x
  3. Step 3: Cross multiply
    18,904.50x = 26,088.23 × 10,947.15
  4. Step 4: Simplify right side
    18,904.50x = 285,591,712.31
  5. Step 5: Solve for x
    x = 285,591,712.31/18,904.50
  6. Step 6: Final answer
    x = 15,107.08

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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.