Home / 14,947.13-20,627.58-9,285

Finding the Fourth Proportional to 14,947.13, 20,627.58 and 9,285

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Solution

The fourth proportional to 14,947.13, 20,627.58 and 9,285 is: 12,813.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,947.13 : 20,627.58 = 9,285 : x
  2. Step 2: Convert to fraction form
    14,947.13/20,627.58 = 9,285/x
  3. Step 3: Cross multiply
    14,947.13x = 20,627.58 × 9,285
  4. Step 4: Simplify right side
    14,947.13x = 191,527,080.30
  5. Step 5: Solve for x
    x = 191,527,080.30/14,947.13
  6. Step 6: Final answer
    x = 12,813.64

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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.