Home / 15,245.04-21,038.12-8,961.04

Finding the Fourth Proportional to 15,245.04, 21,038.12 and 8,961.04

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Solution

The fourth proportional to 15,245.04, 21,038.12 and 8,961.04 is: 12,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,245.04 : 21,038.12 = 8,961.04 : x
  2. Step 2: Convert to fraction form
    15,245.04/21,038.12 = 8,961.04/x
  3. Step 3: Cross multiply
    15,245.04x = 21,038.12 × 8,961.04
  4. Step 4: Simplify right side
    15,245.04x = 188,523,434.84
  5. Step 5: Solve for x
    x = 188,523,434.84/15,245.04
  6. Step 6: Final answer
    x = 12,366.21

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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.