Home / 18,488.31-25,518.39-10,535.22

Finding the Fourth Proportional to 18,488.31, 25,518.39 and 10,535.22

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Solution

The fourth proportional to 18,488.31, 25,518.39 and 10,535.22 is: 14,541.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,488.31 : 25,518.39 = 10,535.22 : x
  2. Step 2: Convert to fraction form
    18,488.31/25,518.39 = 10,535.22/x
  3. Step 3: Cross multiply
    18,488.31x = 25,518.39 × 10,535.22
  4. Step 4: Simplify right side
    18,488.31x = 268,841,852.70
  5. Step 5: Solve for x
    x = 268,841,852.70/18,488.31
  6. Step 6: Final answer
    x = 14,541.18

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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.