Home / 11,182.08-15,430.68-6,146.94

Finding the Fourth Proportional to 11,182.08, 15,430.68 and 6,146.94

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Solution

The fourth proportional to 11,182.08, 15,430.68 and 6,146.94 is: 8,482.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,182.08 : 15,430.68 = 6,146.94 : x
  2. Step 2: Convert to fraction form
    11,182.08/15,430.68 = 6,146.94/x
  3. Step 3: Cross multiply
    11,182.08x = 15,430.68 × 6,146.94
  4. Step 4: Simplify right side
    11,182.08x = 94,851,464.12
  5. Step 5: Solve for x
    x = 94,851,464.12/11,182.08
  6. Step 6: Final answer
    x = 8,482.45

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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.