Home / 10,830.64-14,946.28-6,114.84

Finding the Fourth Proportional to 10,830.64, 14,946.28 and 6,114.84

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Solution

The fourth proportional to 10,830.64, 14,946.28 and 6,114.84 is: 8,438.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,830.64 : 14,946.28 = 6,114.84 : x
  2. Step 2: Convert to fraction form
    10,830.64/14,946.28 = 6,114.84/x
  3. Step 3: Cross multiply
    10,830.64x = 14,946.28 × 6,114.84
  4. Step 4: Simplify right side
    10,830.64x = 91,394,110.80
  5. Step 5: Solve for x
    x = 91,394,110.80/10,830.64
  6. Step 6: Final answer
    x = 8,438.48

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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.