Home / 14,835.84-20,466-9,242.88

Finding the Fourth Proportional to 14,835.84, 20,466 and 9,242.88

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Solution

The fourth proportional to 14,835.84, 20,466 and 9,242.88 is: 12,750.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,835.84 : 20,466 = 9,242.88 : x
  2. Step 2: Convert to fraction form
    14,835.84/20,466 = 9,242.88/x
  3. Step 3: Cross multiply
    14,835.84x = 20,466 × 9,242.88
  4. Step 4: Simplify right side
    14,835.84x = 189,164,782.08
  5. Step 5: Solve for x
    x = 189,164,782.08/14,835.84
  6. Step 6: Final answer
    x = 12,750.53

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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.