Home / 10,877.58-16,291.59-6,485.97

Finding the Fourth Proportional to 10,877.58, 16,291.59 and 6,485.97

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Solution

The fourth proportional to 10,877.58, 16,291.59 and 6,485.97 is: 9,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.58 : 16,291.59 = 6,485.97 : x
  2. Step 2: Convert to fraction form
    10,877.58/16,291.59 = 6,485.97/x
  3. Step 3: Cross multiply
    10,877.58x = 16,291.59 × 6,485.97
  4. Step 4: Simplify right side
    10,877.58x = 105,666,763.99
  5. Step 5: Solve for x
    x = 105,666,763.99/10,877.58
  6. Step 6: Final answer
    x = 9,714.18

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1.5x scale

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.