Home / 13,973.47-20,967.75-10,859.74

Finding the Fourth Proportional to 13,973.47, 20,967.75 and 10,859.74

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Solution

The fourth proportional to 13,973.47, 20,967.75 and 10,859.74 is: 16,295.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,973.47 : 20,967.75 = 10,859.74 : x
  2. Step 2: Convert to fraction form
    13,973.47/20,967.75 = 10,859.74/x
  3. Step 3: Cross multiply
    13,973.47x = 20,967.75 × 10,859.74
  4. Step 4: Simplify right side
    13,973.47x = 227,704,313.39
  5. Step 5: Solve for x
    x = 227,704,313.39/13,973.47
  6. Step 6: Final answer
    x = 16,295.47

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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.