Home / 12,547.02-18,809.49-4,751.82

Finding the Fourth Proportional to 12,547.02, 18,809.49 and 4,751.82

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Solution

The fourth proportional to 12,547.02, 18,809.49 and 4,751.82 is: 7,123.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.02 : 18,809.49 = 4,751.82 : x
  2. Step 2: Convert to fraction form
    12,547.02/18,809.49 = 4,751.82/x
  3. Step 3: Cross multiply
    12,547.02x = 18,809.49 × 4,751.82
  4. Step 4: Simplify right side
    12,547.02x = 89,379,310.77
  5. Step 5: Solve for x
    x = 89,379,310.77/12,547.02
  6. Step 6: Final answer
    x = 7,123.55

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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.