Home / 13,312.19-19,971.73-3,952.13

Finding the Fourth Proportional to 13,312.19, 19,971.73 and 3,952.13

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Solution

The fourth proportional to 13,312.19, 19,971.73 and 3,952.13 is: 5,929.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312.19 : 19,971.73 = 3,952.13 : x
  2. Step 2: Convert to fraction form
    13,312.19/19,971.73 = 3,952.13/x
  3. Step 3: Cross multiply
    13,312.19x = 19,971.73 × 3,952.13
  4. Step 4: Simplify right side
    13,312.19x = 78,930,873.28
  5. Step 5: Solve for x
    x = 78,930,873.28/13,312.19
  6. Step 6: Final answer
    x = 5,929.22

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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.