Home / 12,901.77-19,350.21-4,581.45

Finding the Fourth Proportional to 12,901.77, 19,350.21 and 4,581.45

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Solution

The fourth proportional to 12,901.77, 19,350.21 and 4,581.45 is: 6,871.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,901.77 : 19,350.21 = 4,581.45 : x
  2. Step 2: Convert to fraction form
    12,901.77/19,350.21 = 4,581.45/x
  3. Step 3: Cross multiply
    12,901.77x = 19,350.21 × 4,581.45
  4. Step 4: Simplify right side
    12,901.77x = 88,652,019.60
  5. Step 5: Solve for x
    x = 88,652,019.60/12,901.77
  6. Step 6: Final answer
    x = 6,871.31

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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.