Home / 13,042.90-19,554.78-8,368.18

Finding the Fourth Proportional to 13,042.90, 19,554.78 and 8,368.18

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Solution

The fourth proportional to 13,042.90, 19,554.78 and 8,368.18 is: 12,546.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,042.90 : 19,554.78 = 8,368.18 : x
  2. Step 2: Convert to fraction form
    13,042.90/19,554.78 = 8,368.18/x
  3. Step 3: Cross multiply
    13,042.90x = 19,554.78 × 8,368.18
  4. Step 4: Simplify right side
    13,042.90x = 163,637,918.90
  5. Step 5: Solve for x
    x = 163,637,918.90/13,042.90
  6. Step 6: Final answer
    x = 12,546.13

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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.