Home / 10,557.02-15,826.77-3,979.58

Finding the Fourth Proportional to 10,557.02, 15,826.77 and 3,979.58

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Solution

The fourth proportional to 10,557.02, 15,826.77 and 3,979.58 is: 5,966.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.02 : 15,826.77 = 3,979.58 : x
  2. Step 2: Convert to fraction form
    10,557.02/15,826.77 = 3,979.58/x
  3. Step 3: Cross multiply
    10,557.02x = 15,826.77 × 3,979.58
  4. Step 4: Simplify right side
    10,557.02x = 62,983,897.36
  5. Step 5: Solve for x
    x = 62,983,897.36/10,557.02
  6. Step 6: Final answer
    x = 5,966.07

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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.