Home / 15,029.55-20,828.34-14,818.14

Finding the Fourth Proportional to 15,029.55, 20,828.34 and 14,818.14

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Solution

The fourth proportional to 15,029.55, 20,828.34 and 14,818.14 is: 20,535.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.55 : 20,828.34 = 14,818.14 : x
  2. Step 2: Convert to fraction form
    15,029.55/20,828.34 = 14,818.14/x
  3. Step 3: Cross multiply
    15,029.55x = 20,828.34 × 14,818.14
  4. Step 4: Simplify right side
    15,029.55x = 308,637,258.09
  5. Step 5: Solve for x
    x = 308,637,258.09/15,029.55
  6. Step 6: Final answer
    x = 20,535.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.