Home / 14,544.16-20,064.72-11,387.68

Finding the Fourth Proportional to 14,544.16, 20,064.72 and 11,387.68

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Solution

The fourth proportional to 14,544.16, 20,064.72 and 11,387.68 is: 15,710.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,544.16 : 20,064.72 = 11,387.68 : x
  2. Step 2: Convert to fraction form
    14,544.16/20,064.72 = 11,387.68/x
  3. Step 3: Cross multiply
    14,544.16x = 20,064.72 × 11,387.68
  4. Step 4: Simplify right side
    14,544.16x = 228,490,610.65
  5. Step 5: Solve for x
    x = 228,490,610.65/14,544.16
  6. Step 6: Final answer
    x = 15,710.13

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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.