Home / 15,491.88-23,235.38-12,876.18

Finding the Fourth Proportional to 15,491.88, 23,235.38 and 12,876.18

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Solution

The fourth proportional to 15,491.88, 23,235.38 and 12,876.18 is: 19,312.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.88 : 23,235.38 = 12,876.18 : x
  2. Step 2: Convert to fraction form
    15,491.88/23,235.38 = 12,876.18/x
  3. Step 3: Cross multiply
    15,491.88x = 23,235.38 × 12,876.18
  4. Step 4: Simplify right side
    15,491.88x = 299,182,935.25
  5. Step 5: Solve for x
    x = 299,182,935.25/15,491.88
  6. Step 6: Final answer
    x = 19,312.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.