Home / 12,552.02-18,815.27-7,875.28

Finding the Fourth Proportional to 12,552.02, 18,815.27 and 7,875.28

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Solution

The fourth proportional to 12,552.02, 18,815.27 and 7,875.28 is: 11,804.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.02 : 18,815.27 = 7,875.28 : x
  2. Step 2: Convert to fraction form
    12,552.02/18,815.27 = 7,875.28/x
  3. Step 3: Cross multiply
    12,552.02x = 18,815.27 × 7,875.28
  4. Step 4: Simplify right side
    12,552.02x = 148,175,519.53
  5. Step 5: Solve for x
    x = 148,175,519.53/12,552.02
  6. Step 6: Final answer
    x = 11,804.91

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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.