Home / 19,511.57-26,925.75-10,558.91

Finding the Fourth Proportional to 19,511.57, 26,925.75 and 10,558.91

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Solution

The fourth proportional to 19,511.57, 26,925.75 and 10,558.91 is: 14,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,511.57 : 26,925.75 = 10,558.91 : x
  2. Step 2: Convert to fraction form
    19,511.57/26,925.75 = 10,558.91/x
  3. Step 3: Cross multiply
    19,511.57x = 26,925.75 × 10,558.91
  4. Step 4: Simplify right side
    19,511.57x = 284,306,638.25
  5. Step 5: Solve for x
    x = 284,306,638.25/19,511.57
  6. Step 6: Final answer
    x = 14,571.18

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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.