Home / 10,055.57-15,083.76-4,787.87

Finding the Fourth Proportional to 10,055.57, 15,083.76 and 4,787.87

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Solution

The fourth proportional to 10,055.57, 15,083.76 and 4,787.87 is: 7,182.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.57 : 15,083.76 = 4,787.87 : x
  2. Step 2: Convert to fraction form
    10,055.57/15,083.76 = 4,787.87/x
  3. Step 3: Cross multiply
    10,055.57x = 15,083.76 × 4,787.87
  4. Step 4: Simplify right side
    10,055.57x = 72,219,081.99
  5. Step 5: Solve for x
    x = 72,219,081.99/10,055.57
  6. Step 6: Final answer
    x = 7,182.00

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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.