Home / 18,022.12-24,870.63-10,065.04

Finding the Fourth Proportional to 18,022.12, 24,870.63 and 10,065.04

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Solution

The fourth proportional to 18,022.12, 24,870.63 and 10,065.04 is: 13,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,022.12 : 24,870.63 = 10,065.04 : x
  2. Step 2: Convert to fraction form
    18,022.12/24,870.63 = 10,065.04/x
  3. Step 3: Cross multiply
    18,022.12x = 24,870.63 × 10,065.04
  4. Step 4: Simplify right side
    18,022.12x = 250,323,885.78
  5. Step 5: Solve for x
    x = 250,323,885.78/18,022.12
  6. Step 6: Final answer
    x = 13,889.81

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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.