Home / 18,013.65-24,858.05-10,055.72

Finding the Fourth Proportional to 18,013.65, 24,858.05 and 10,055.72

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Solution

The fourth proportional to 18,013.65, 24,858.05 and 10,055.72 is: 13,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,013.65 : 24,858.05 = 10,055.72 : x
  2. Step 2: Convert to fraction form
    18,013.65/24,858.05 = 10,055.72/x
  3. Step 3: Cross multiply
    18,013.65x = 24,858.05 × 10,055.72
  4. Step 4: Simplify right side
    18,013.65x = 249,965,415.98
  5. Step 5: Solve for x
    x = 249,965,415.98/18,013.65
  6. Step 6: Final answer
    x = 13,876.44

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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.