Home / 15,499.32-21,228.27-14,590.11

Finding the Fourth Proportional to 15,499.32, 21,228.27 and 14,590.11

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Solution

The fourth proportional to 15,499.32, 21,228.27 and 14,590.11 is: 19,982.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.32 : 21,228.27 = 14,590.11 : x
  2. Step 2: Convert to fraction form
    15,499.32/21,228.27 = 14,590.11/x
  3. Step 3: Cross multiply
    15,499.32x = 21,228.27 × 14,590.11
  4. Step 4: Simplify right side
    15,499.32x = 309,722,794.41
  5. Step 5: Solve for x
    x = 309,722,794.41/15,499.32
  6. Step 6: Final answer
    x = 19,982.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.