Home / 14,977.68-20,661.37-12,148.35

Finding the Fourth Proportional to 14,977.68, 20,661.37 and 12,148.35

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Solution

The fourth proportional to 14,977.68, 20,661.37 and 12,148.35 is: 16,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,977.68 : 20,661.37 = 12,148.35 : x
  2. Step 2: Convert to fraction form
    14,977.68/20,661.37 = 12,148.35/x
  3. Step 3: Cross multiply
    14,977.68x = 20,661.37 × 12,148.35
  4. Step 4: Simplify right side
    14,977.68x = 251,001,554.24
  5. Step 5: Solve for x
    x = 251,001,554.24/14,977.68
  6. Step 6: Final answer
    x = 16,758.37

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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.