Home / 14,955.89-20,616.57-12,298.68

Finding the Fourth Proportional to 14,955.89, 20,616.57 and 12,298.68

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Solution

The fourth proportional to 14,955.89, 20,616.57 and 12,298.68 is: 16,953.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,955.89 : 20,616.57 = 12,298.68 : x
  2. Step 2: Convert to fraction form
    14,955.89/20,616.57 = 12,298.68/x
  3. Step 3: Cross multiply
    14,955.89x = 20,616.57 × 12,298.68
  4. Step 4: Simplify right side
    14,955.89x = 253,556,597.13
  5. Step 5: Solve for x
    x = 253,556,597.13/14,955.89
  6. Step 6: Final answer
    x = 16,953.63

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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.