Home / 15,154.80-22,725.72-4,767.36

Finding the Fourth Proportional to 15,154.80, 22,725.72 and 4,767.36

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Solution

The fourth proportional to 15,154.80, 22,725.72 and 4,767.36 is: 7,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,154.80 : 22,725.72 = 4,767.36 : x
  2. Step 2: Convert to fraction form
    15,154.80/22,725.72 = 4,767.36/x
  3. Step 3: Cross multiply
    15,154.80x = 22,725.72 × 4,767.36
  4. Step 4: Simplify right side
    15,154.80x = 108,341,688.50
  5. Step 5: Solve for x
    x = 108,341,688.50/15,154.80
  6. Step 6: Final answer
    x = 7,149.00

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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.