Home / 15,339.52-21,175.67-11,564.22

Finding the Fourth Proportional to 15,339.52, 21,175.67 and 11,564.22

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Solution

The fourth proportional to 15,339.52, 21,175.67 and 11,564.22 is: 15,964.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,339.52 : 21,175.67 = 11,564.22 : x
  2. Step 2: Convert to fraction form
    15,339.52/21,175.67 = 11,564.22/x
  3. Step 3: Cross multiply
    15,339.52x = 21,175.67 × 11,564.22
  4. Step 4: Simplify right side
    15,339.52x = 244,880,106.53
  5. Step 5: Solve for x
    x = 244,880,106.53/15,339.52
  6. Step 6: Final answer
    x = 15,964.00

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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.