Home / 18,511.90-25,547.10-10,554.04

Finding the Fourth Proportional to 18,511.90, 25,547.10 and 10,554.04

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Solution

The fourth proportional to 18,511.90, 25,547.10 and 10,554.04 is: 14,564.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,511.90 : 25,547.10 = 10,554.04 : x
  2. Step 2: Convert to fraction form
    18,511.90/25,547.10 = 10,554.04/x
  3. Step 3: Cross multiply
    18,511.90x = 25,547.10 × 10,554.04
  4. Step 4: Simplify right side
    18,511.90x = 269,625,115.28
  5. Step 5: Solve for x
    x = 269,625,115.28/18,511.90
  6. Step 6: Final answer
    x = 14,564.96

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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.