Home / 15,247.49-21,041.57-8,532.68

Finding the Fourth Proportional to 15,247.49, 21,041.57 and 8,532.68

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Solution

The fourth proportional to 15,247.49, 21,041.57 and 8,532.68 is: 11,775.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.49 : 21,041.57 = 8,532.68 : x
  2. Step 2: Convert to fraction form
    15,247.49/21,041.57 = 8,532.68/x
  3. Step 3: Cross multiply
    15,247.49x = 21,041.57 × 8,532.68
  4. Step 4: Simplify right side
    15,247.49x = 179,540,899.63
  5. Step 5: Solve for x
    x = 179,540,899.63/15,247.49
  6. Step 6: Final answer
    x = 11,775.12

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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.