Home / 11,074.40-15,281.28-6,294.24

Finding the Fourth Proportional to 11,074.40, 15,281.28 and 6,294.24

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Solution

The fourth proportional to 11,074.40, 15,281.28 and 6,294.24 is: 8,685.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,074.40 : 15,281.28 = 6,294.24 : x
  2. Step 2: Convert to fraction form
    11,074.40/15,281.28 = 6,294.24/x
  3. Step 3: Cross multiply
    11,074.40x = 15,281.28 × 6,294.24
  4. Step 4: Simplify right side
    11,074.40x = 96,184,043.83
  5. Step 5: Solve for x
    x = 96,184,043.83/11,074.40
  6. Step 6: Final answer
    x = 8,685.26

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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.