Home / 12,377.02-18,555.10-8,417.19

Finding the Fourth Proportional to 12,377.02, 18,555.10 and 8,417.19

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Solution

The fourth proportional to 12,377.02, 18,555.10 and 8,417.19 is: 12,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,377.02 : 18,555.10 = 8,417.19 : x
  2. Step 2: Convert to fraction form
    12,377.02/18,555.10 = 8,417.19/x
  3. Step 3: Cross multiply
    12,377.02x = 18,555.10 × 8,417.19
  4. Step 4: Simplify right side
    12,377.02x = 156,181,802.17
  5. Step 5: Solve for x
    x = 156,181,802.17/12,377.02
  6. Step 6: Final answer
    x = 12,618.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.