Home / 18,012.96-24,856.80-10,055.76

Finding the Fourth Proportional to 18,012.96, 24,856.80 and 10,055.76

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Solution

The fourth proportional to 18,012.96, 24,856.80 and 10,055.76 is: 13,876.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.96 : 24,856.80 = 10,055.76 : x
  2. Step 2: Convert to fraction form
    18,012.96/24,856.80 = 10,055.76/x
  3. Step 3: Cross multiply
    18,012.96x = 24,856.80 × 10,055.76
  4. Step 4: Simplify right side
    18,012.96x = 249,954,015.17
  5. Step 5: Solve for x
    x = 249,954,015.17/18,012.96
  6. Step 6: Final answer
    x = 13,876.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.