Home / 11,111.13-16,666.69-2,903.13

Finding the Fourth Proportional to 11,111.13, 16,666.69 and 2,903.13

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Solution

The fourth proportional to 11,111.13, 16,666.69 and 2,903.13 is: 4,354.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.13 : 16,666.69 = 2,903.13 : x
  2. Step 2: Convert to fraction form
    11,111.13/16,666.69 = 2,903.13/x
  3. Step 3: Cross multiply
    11,111.13x = 16,666.69 × 2,903.13
  4. Step 4: Simplify right side
    11,111.13x = 48,385,567.74
  5. Step 5: Solve for x
    x = 48,385,567.74/11,111.13
  6. Step 6: Final answer
    x = 4,354.69

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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.