Home / 18,947.32-26,147.36-10,564.12

Finding the Fourth Proportional to 18,947.32, 26,147.36 and 10,564.12

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Solution

The fourth proportional to 18,947.32, 26,147.36 and 10,564.12 is: 14,578.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,947.32 : 26,147.36 = 10,564.12 : x
  2. Step 2: Convert to fraction form
    18,947.32/26,147.36 = 10,564.12/x
  3. Step 3: Cross multiply
    18,947.32x = 26,147.36 × 10,564.12
  4. Step 4: Simplify right side
    18,947.32x = 276,223,848.72
  5. Step 5: Solve for x
    x = 276,223,848.72/18,947.32
  6. Step 6: Final answer
    x = 14,578.52

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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.