Home / 14,780.02-20,396.32-8,065.66

Finding the Fourth Proportional to 14,780.02, 20,396.32 and 8,065.66

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Solution

The fourth proportional to 14,780.02, 20,396.32 and 8,065.66 is: 11,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,780.02 : 20,396.32 = 8,065.66 : x
  2. Step 2: Convert to fraction form
    14,780.02/20,396.32 = 8,065.66/x
  3. Step 3: Cross multiply
    14,780.02x = 20,396.32 × 8,065.66
  4. Step 4: Simplify right side
    14,780.02x = 164,509,782.37
  5. Step 5: Solve for x
    x = 164,509,782.37/14,780.02
  6. Step 6: Final answer
    x = 11,130.55

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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.