Home / 13,126.01-19,681.09-5,229.74

Finding the Fourth Proportional to 13,126.01, 19,681.09 and 5,229.74

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Solution

The fourth proportional to 13,126.01, 19,681.09 and 5,229.74 is: 7,841.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.01 : 19,681.09 = 5,229.74 : x
  2. Step 2: Convert to fraction form
    13,126.01/19,681.09 = 5,229.74/x
  3. Step 3: Cross multiply
    13,126.01x = 19,681.09 × 5,229.74
  4. Step 4: Simplify right side
    13,126.01x = 102,927,039.36
  5. Step 5: Solve for x
    x = 102,927,039.36/13,126.01
  6. Step 6: Final answer
    x = 7,841.46

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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.