Home / 13,619.85-20,417.47-4,852.71

Finding the Fourth Proportional to 13,619.85, 20,417.47 and 4,852.71

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Solution

The fourth proportional to 13,619.85, 20,417.47 and 4,852.71 is: 7,274.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.85 : 20,417.47 = 4,852.71 : x
  2. Step 2: Convert to fraction form
    13,619.85/20,417.47 = 4,852.71/x
  3. Step 3: Cross multiply
    13,619.85x = 20,417.47 × 4,852.71
  4. Step 4: Simplify right side
    13,619.85x = 99,080,048.71
  5. Step 5: Solve for x
    x = 99,080,048.71/13,619.85
  6. Step 6: Final answer
    x = 7,274.68

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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.