Home / 15,360.08-21,205.95-14,474.36

Finding the Fourth Proportional to 15,360.08, 21,205.95 and 14,474.36

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Solution

The fourth proportional to 15,360.08, 21,205.95 and 14,474.36 is: 19,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.08 : 21,205.95 = 14,474.36 : x
  2. Step 2: Convert to fraction form
    15,360.08/21,205.95 = 14,474.36/x
  3. Step 3: Cross multiply
    15,360.08x = 21,205.95 × 14,474.36
  4. Step 4: Simplify right side
    15,360.08x = 306,942,554.44
  5. Step 5: Solve for x
    x = 306,942,554.44/15,360.08
  6. Step 6: Final answer
    x = 19,983.14

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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.