Home / 10,839.40-14,959.28-6,124.52

Finding the Fourth Proportional to 10,839.40, 14,959.28 and 6,124.52

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Solution

The fourth proportional to 10,839.40, 14,959.28 and 6,124.52 is: 8,452.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,839.40 : 14,959.28 = 6,124.52 : x
  2. Step 2: Convert to fraction form
    10,839.40/14,959.28 = 6,124.52/x
  3. Step 3: Cross multiply
    10,839.40x = 14,959.28 × 6,124.52
  4. Step 4: Simplify right side
    10,839.40x = 91,618,409.55
  5. Step 5: Solve for x
    x = 91,618,409.55/10,839.40
  6. Step 6: Final answer
    x = 8,452.35

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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.