Home / 11,869.24-16,376.87-7,088.31

Finding the Fourth Proportional to 11,869.24, 16,376.87 and 7,088.31

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Solution

The fourth proportional to 11,869.24, 16,376.87 and 7,088.31 is: 9,780.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869.24 : 16,376.87 = 7,088.31 : x
  2. Step 2: Convert to fraction form
    11,869.24/16,376.87 = 7,088.31/x
  3. Step 3: Cross multiply
    11,869.24x = 16,376.87 × 7,088.31
  4. Step 4: Simplify right side
    11,869.24x = 116,084,410.52
  5. Step 5: Solve for x
    x = 116,084,410.52/11,869.24
  6. Step 6: Final answer
    x = 9,780.28

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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.