Home / 15,459.50-21,334.48-8,653.35

Finding the Fourth Proportional to 15,459.50, 21,334.48 and 8,653.35

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Solution

The fourth proportional to 15,459.50, 21,334.48 and 8,653.35 is: 11,941.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.50 : 21,334.48 = 8,653.35 : x
  2. Step 2: Convert to fraction form
    15,459.50/21,334.48 = 8,653.35/x
  3. Step 3: Cross multiply
    15,459.50x = 21,334.48 × 8,653.35
  4. Step 4: Simplify right side
    15,459.50x = 184,614,783.90
  5. Step 5: Solve for x
    x = 184,614,783.90/15,459.50
  6. Step 6: Final answer
    x = 11,941.83

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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.