Home / 10,898.70-15,039.72-6,182.88

Finding the Fourth Proportional to 10,898.70, 15,039.72 and 6,182.88

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Solution

The fourth proportional to 10,898.70, 15,039.72 and 6,182.88 is: 8,532.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,898.70 : 15,039.72 = 6,182.88 : x
  2. Step 2: Convert to fraction form
    10,898.70/15,039.72 = 6,182.88/x
  3. Step 3: Cross multiply
    10,898.70x = 15,039.72 × 6,182.88
  4. Step 4: Simplify right side
    10,898.70x = 92,988,783.99
  5. Step 5: Solve for x
    x = 92,988,783.99/10,898.70
  6. Step 6: Final answer
    x = 8,532.10

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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.