Home / 15,247.65-21,041.97-8,533.56

Finding the Fourth Proportional to 15,247.65, 21,041.97 and 8,533.56

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Solution

The fourth proportional to 15,247.65, 21,041.97 and 8,533.56 is: 11,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,247.65 : 21,041.97 = 8,533.56 : x
  2. Step 2: Convert to fraction form
    15,247.65/21,041.97 = 8,533.56/x
  3. Step 3: Cross multiply
    15,247.65x = 21,041.97 × 8,533.56
  4. Step 4: Simplify right side
    15,247.65x = 179,562,913.51
  5. Step 5: Solve for x
    x = 179,562,913.51/15,247.65
  6. Step 6: Final answer
    x = 11,776.43

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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.