Home / 19,710.64-29,569.85-7,230.77

Finding the Fourth Proportional to 19,710.64, 29,569.85 and 7,230.77

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Solution

The fourth proportional to 19,710.64, 29,569.85 and 7,230.77 is: 10,847.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,710.64 : 29,569.85 = 7,230.77 : x
  2. Step 2: Convert to fraction form
    19,710.64/29,569.85 = 7,230.77/x
  3. Step 3: Cross multiply
    19,710.64x = 29,569.85 × 7,230.77
  4. Step 4: Simplify right side
    19,710.64x = 213,812,758.62
  5. Step 5: Solve for x
    x = 213,812,758.62/19,710.64
  6. Step 6: Final answer
    x = 10,847.58

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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.