Home / 13,237.63-19,813.83-6,988.72

Finding the Fourth Proportional to 13,237.63, 19,813.83 and 6,988.72

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Solution

The fourth proportional to 13,237.63, 19,813.83 and 6,988.72 is: 10,460.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.63 : 19,813.83 = 6,988.72 : x
  2. Step 2: Convert to fraction form
    13,237.63/19,813.83 = 6,988.72/x
  3. Step 3: Cross multiply
    13,237.63x = 19,813.83 × 6,988.72
  4. Step 4: Simplify right side
    13,237.63x = 138,473,310.00
  5. Step 5: Solve for x
    x = 138,473,310.00/13,237.63
  6. Step 6: Final answer
    x = 10,460.58

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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.