Home / 10,359.09-15,540.95-3,785.10

Finding the Fourth Proportional to 10,359.09, 15,540.95 and 3,785.10

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Solution

The fourth proportional to 10,359.09, 15,540.95 and 3,785.10 is: 5,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.09 : 15,540.95 = 3,785.10 : x
  2. Step 2: Convert to fraction form
    10,359.09/15,540.95 = 3,785.10/x
  3. Step 3: Cross multiply
    10,359.09x = 15,540.95 × 3,785.10
  4. Step 4: Simplify right side
    10,359.09x = 58,824,030.92
  5. Step 5: Solve for x
    x = 58,824,030.92/10,359.09
  6. Step 6: Final answer
    x = 5,678.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.