Home / 12,639.02-18,950.42-5,248.58

Finding the Fourth Proportional to 12,639.02, 18,950.42 and 5,248.58

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Solution

The fourth proportional to 12,639.02, 18,950.42 and 5,248.58 is: 7,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,639.02 : 18,950.42 = 5,248.58 : x
  2. Step 2: Convert to fraction form
    12,639.02/18,950.42 = 5,248.58/x
  3. Step 3: Cross multiply
    12,639.02x = 18,950.42 × 5,248.58
  4. Step 4: Simplify right side
    12,639.02x = 99,462,713.77
  5. Step 5: Solve for x
    x = 99,462,713.77/12,639.02
  6. Step 6: Final answer
    x = 7,869.50

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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.