Home / 19,529.02-29,288.89-8,429.64

Finding the Fourth Proportional to 19,529.02, 29,288.89 and 8,429.64

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Solution

The fourth proportional to 19,529.02, 29,288.89 and 8,429.64 is: 12,642.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.02 : 29,288.89 = 8,429.64 : x
  2. Step 2: Convert to fraction form
    19,529.02/29,288.89 = 8,429.64/x
  3. Step 3: Cross multiply
    19,529.02x = 29,288.89 × 8,429.64
  4. Step 4: Simplify right side
    19,529.02x = 246,894,756.55
  5. Step 5: Solve for x
    x = 246,894,756.55/19,529.02
  6. Step 6: Final answer
    x = 12,642.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.