Home / 10,281.08-15,408.48-8,894.36

Finding the Fourth Proportional to 10,281.08, 15,408.48 and 8,894.36

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Solution

The fourth proportional to 10,281.08, 15,408.48 and 8,894.36 is: 13,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.08 : 15,408.48 = 8,894.36 : x
  2. Step 2: Convert to fraction form
    10,281.08/15,408.48 = 8,894.36/x
  3. Step 3: Cross multiply
    10,281.08x = 15,408.48 × 8,894.36
  4. Step 4: Simplify right side
    10,281.08x = 137,048,568.17
  5. Step 5: Solve for x
    x = 137,048,568.17/10,281.08
  6. Step 6: Final answer
    x = 13,330.17

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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.