Home / 13,036.59-17,985.78-8,562.75

Finding the Fourth Proportional to 13,036.59, 17,985.78 and 8,562.75

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Solution

The fourth proportional to 13,036.59, 17,985.78 and 8,562.75 is: 11,813.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,036.59 : 17,985.78 = 8,562.75 : x
  2. Step 2: Convert to fraction form
    13,036.59/17,985.78 = 8,562.75/x
  3. Step 3: Cross multiply
    13,036.59x = 17,985.78 × 8,562.75
  4. Step 4: Simplify right side
    13,036.59x = 154,007,737.70
  5. Step 5: Solve for x
    x = 154,007,737.70/13,036.59
  6. Step 6: Final answer
    x = 11,813.50

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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.