Home / 12,153.66-16,738.51-10,474.45

Finding the Fourth Proportional to 12,153.66, 16,738.51 and 10,474.45

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Solution

The fourth proportional to 12,153.66, 16,738.51 and 10,474.45 is: 14,425.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,153.66 : 16,738.51 = 10,474.45 : x
  2. Step 2: Convert to fraction form
    12,153.66/16,738.51 = 10,474.45/x
  3. Step 3: Cross multiply
    12,153.66x = 16,738.51 × 10,474.45
  4. Step 4: Simplify right side
    12,153.66x = 175,326,686.07
  5. Step 5: Solve for x
    x = 175,326,686.07/12,153.66
  6. Step 6: Final answer
    x = 14,425.83

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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.