Home / 10,111.04-15,167.04-3,186.08

Finding the Fourth Proportional to 10,111.04, 15,167.04 and 3,186.08

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Solution

The fourth proportional to 10,111.04, 15,167.04 and 3,186.08 is: 4,779.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.04 : 15,167.04 = 3,186.08 : x
  2. Step 2: Convert to fraction form
    10,111.04/15,167.04 = 3,186.08/x
  3. Step 3: Cross multiply
    10,111.04x = 15,167.04 × 3,186.08
  4. Step 4: Simplify right side
    10,111.04x = 48,323,402.80
  5. Step 5: Solve for x
    x = 48,323,402.80/10,111.04
  6. Step 6: Final answer
    x = 4,779.27

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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.