Home / 14,947.20-22,420.73-7,132.32

Finding the Fourth Proportional to 14,947.20, 22,420.73 and 7,132.32

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Solution

The fourth proportional to 14,947.20, 22,420.73 and 7,132.32 is: 10,698.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.20 : 22,420.73 = 7,132.32 : x
  2. Step 2: Convert to fraction form
    14,947.20/22,420.73 = 7,132.32/x
  3. Step 3: Cross multiply
    14,947.20x = 22,420.73 × 7,132.32
  4. Step 4: Simplify right side
    14,947.20x = 159,911,785.33
  5. Step 5: Solve for x
    x = 159,911,785.33/14,947.20
  6. Step 6: Final answer
    x = 10,698.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.