Home / 19,511.24-26,916.66-12,433.28

Finding the Fourth Proportional to 19,511.24, 26,916.66 and 12,433.28

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Solution

The fourth proportional to 19,511.24, 26,916.66 and 12,433.28 is: 17,152.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.24 : 26,916.66 = 12,433.28 : x
  2. Step 2: Convert to fraction form
    19,511.24/26,916.66 = 12,433.28/x
  3. Step 3: Cross multiply
    19,511.24x = 26,916.66 × 12,433.28
  4. Step 4: Simplify right side
    19,511.24x = 334,662,235.86
  5. Step 5: Solve for x
    x = 334,662,235.86/19,511.24
  6. Step 6: Final answer
    x = 17,152.28

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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.