Home / 13,117.59-19,669.10-5,317.29

Finding the Fourth Proportional to 13,117.59, 19,669.10 and 5,317.29

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Solution

The fourth proportional to 13,117.59, 19,669.10 and 5,317.29 is: 7,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,117.59 : 19,669.10 = 5,317.29 : x
  2. Step 2: Convert to fraction form
    13,117.59/19,669.10 = 5,317.29/x
  3. Step 3: Cross multiply
    13,117.59x = 19,669.10 × 5,317.29
  4. Step 4: Simplify right side
    13,117.59x = 104,586,344.62
  5. Step 5: Solve for x
    x = 104,586,344.62/13,117.59
  6. Step 6: Final answer
    x = 7,972.98

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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.