Home / 19,529.64-29,280.52-9,135.72

Finding the Fourth Proportional to 19,529.64, 29,280.52 and 9,135.72

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Solution

The fourth proportional to 19,529.64, 29,280.52 and 9,135.72 is: 13,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,529.64 : 29,280.52 = 9,135.72 : x
  2. Step 2: Convert to fraction form
    19,529.64/29,280.52 = 9,135.72/x
  3. Step 3: Cross multiply
    19,529.64x = 29,280.52 × 9,135.72
  4. Step 4: Simplify right side
    19,529.64x = 267,498,632.17
  5. Step 5: Solve for x
    x = 267,498,632.17/19,529.64
  6. Step 6: Final answer
    x = 13,697.06

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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.