Home / 15,334.04-21,162.71-8,528.74

Finding the Fourth Proportional to 15,334.04, 21,162.71 and 8,528.74

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Solution

The fourth proportional to 15,334.04, 21,162.71 and 8,528.74 is: 11,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,334.04 : 21,162.71 = 8,528.74 : x
  2. Step 2: Convert to fraction form
    15,334.04/21,162.71 = 8,528.74/x
  3. Step 3: Cross multiply
    15,334.04x = 21,162.71 × 8,528.74
  4. Step 4: Simplify right side
    15,334.04x = 180,491,219.70
  5. Step 5: Solve for x
    x = 180,491,219.70/15,334.04
  6. Step 6: Final answer
    x = 11,770.62

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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.