Home / 11,187.02-15,429.33-6,935.69

Finding the Fourth Proportional to 11,187.02, 15,429.33 and 6,935.69

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Solution

The fourth proportional to 11,187.02, 15,429.33 and 6,935.69 is: 9,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,187.02 : 15,429.33 = 6,935.69 : x
  2. Step 2: Convert to fraction form
    11,187.02/15,429.33 = 6,935.69/x
  3. Step 3: Cross multiply
    11,187.02x = 15,429.33 × 6,935.69
  4. Step 4: Simplify right side
    11,187.02x = 107,013,088.36
  5. Step 5: Solve for x
    x = 107,013,088.36/11,187.02
  6. Step 6: Final answer
    x = 9,565.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.