Home / 10,434.35-15,651.56-3,039.00

Finding the Fourth Proportional to 10,434.35, 15,651.56 and 3,039.00

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Solution

The fourth proportional to 10,434.35, 15,651.56 and 3,039.00 is: 4,558.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,434.35 : 15,651.56 = 3,039.00 : x
  2. Step 2: Convert to fraction form
    10,434.35/15,651.56 = 3,039.00/x
  3. Step 3: Cross multiply
    10,434.35x = 15,651.56 × 3,039.00
  4. Step 4: Simplify right side
    10,434.35x = 47,565,039.74
  5. Step 5: Solve for x
    x = 47,565,039.74/10,434.35
  6. Step 6: Final answer
    x = 4,558.50

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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.