Home / 10,837.40-16,256.10-9,087.80

Finding the Fourth Proportional to 10,837.40, 16,256.10 and 9,087.80

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Solution

The fourth proportional to 10,837.40, 16,256.10 and 9,087.80 is: 13,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,837.40 : 16,256.10 = 9,087.80 : x
  2. Step 2: Convert to fraction form
    10,837.40/16,256.10 = 9,087.80/x
  3. Step 3: Cross multiply
    10,837.40x = 16,256.10 × 9,087.80
  4. Step 4: Simplify right side
    10,837.40x = 147,732,185.58
  5. Step 5: Solve for x
    x = 147,732,185.58/10,837.40
  6. Step 6: Final answer
    x = 13,631.70

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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.