Home / 15,441.30-21,307.72-8,727.50

Finding the Fourth Proportional to 15,441.30, 21,307.72 and 8,727.50

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Solution

The fourth proportional to 15,441.30, 21,307.72 and 8,727.50 is: 12,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,441.30 : 21,307.72 = 8,727.50 : x
  2. Step 2: Convert to fraction form
    15,441.30/21,307.72 = 8,727.50/x
  3. Step 3: Cross multiply
    15,441.30x = 21,307.72 × 8,727.50
  4. Step 4: Simplify right side
    15,441.30x = 185,963,126.30
  5. Step 5: Solve for x
    x = 185,963,126.30/15,441.30
  6. Step 6: Final answer
    x = 12,043.23

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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.