Home / 15,511.41-23,358.30-11,159.28

Finding the Fourth Proportional to 15,511.41, 23,358.30 and 11,159.28

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Solution

The fourth proportional to 15,511.41, 23,358.30 and 11,159.28 is: 16,804.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,511.41 : 23,358.30 = 11,159.28 : x
  2. Step 2: Convert to fraction form
    15,511.41/23,358.30 = 11,159.28/x
  3. Step 3: Cross multiply
    15,511.41x = 23,358.30 × 11,159.28
  4. Step 4: Simplify right side
    15,511.41x = 260,661,810.02
  5. Step 5: Solve for x
    x = 260,661,810.02/15,511.41
  6. Step 6: Final answer
    x = 16,804.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.