Home / 13,917.19-19,205.32-7,948.74

Finding the Fourth Proportional to 13,917.19, 19,205.32 and 7,948.74

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Solution

The fourth proportional to 13,917.19, 19,205.32 and 7,948.74 is: 10,969.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,917.19 : 19,205.32 = 7,948.74 : x
  2. Step 2: Convert to fraction form
    13,917.19/19,205.32 = 7,948.74/x
  3. Step 3: Cross multiply
    13,917.19x = 19,205.32 × 7,948.74
  4. Step 4: Simplify right side
    13,917.19x = 152,658,095.30
  5. Step 5: Solve for x
    x = 152,658,095.30/13,917.19
  6. Step 6: Final answer
    x = 10,969.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.