Home / 12,554.90-18,820.80-4,341.14

Finding the Fourth Proportional to 12,554.90, 18,820.80 and 4,341.14

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Solution

The fourth proportional to 12,554.90, 18,820.80 and 4,341.14 is: 6,507.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.90 : 18,820.80 = 4,341.14 : x
  2. Step 2: Convert to fraction form
    12,554.90/18,820.80 = 4,341.14/x
  3. Step 3: Cross multiply
    12,554.90x = 18,820.80 × 4,341.14
  4. Step 4: Simplify right side
    12,554.90x = 81,703,727.71
  5. Step 5: Solve for x
    x = 81,703,727.71/12,554.90
  6. Step 6: Final answer
    x = 6,507.72

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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.