Home / 13,839.32-19,095.35-8,801.70

Finding the Fourth Proportional to 13,839.32, 19,095.35 and 8,801.70

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Solution

The fourth proportional to 13,839.32, 19,095.35 and 8,801.70 is: 12,144.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,839.32 : 19,095.35 = 8,801.70 : x
  2. Step 2: Convert to fraction form
    13,839.32/19,095.35 = 8,801.70/x
  3. Step 3: Cross multiply
    13,839.32x = 19,095.35 × 8,801.70
  4. Step 4: Simplify right side
    13,839.32x = 168,071,498.09
  5. Step 5: Solve for x
    x = 168,071,498.09/13,839.32
  6. Step 6: Final answer
    x = 12,144.50

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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.