Home / 13,328.01-19,979.65-5,013.53

Finding the Fourth Proportional to 13,328.01, 19,979.65 and 5,013.53

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Solution

The fourth proportional to 13,328.01, 19,979.65 and 5,013.53 is: 7,515.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.01 : 19,979.65 = 5,013.53 : x
  2. Step 2: Convert to fraction form
    13,328.01/19,979.65 = 5,013.53/x
  3. Step 3: Cross multiply
    13,328.01x = 19,979.65 × 5,013.53
  4. Step 4: Simplify right side
    13,328.01x = 100,168,633.20
  5. Step 5: Solve for x
    x = 100,168,633.20/13,328.01
  6. Step 6: Final answer
    x = 7,515.65

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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.