Home / 18,485.18-25,511.08-10,529.98

Finding the Fourth Proportional to 18,485.18, 25,511.08 and 10,529.98

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Solution

The fourth proportional to 18,485.18, 25,511.08 and 10,529.98 is: 14,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.18 : 25,511.08 = 10,529.98 : x
  2. Step 2: Convert to fraction form
    18,485.18/25,511.08 = 10,529.98/x
  3. Step 3: Cross multiply
    18,485.18x = 25,511.08 × 10,529.98
  4. Step 4: Simplify right side
    18,485.18x = 268,631,162.18
  5. Step 5: Solve for x
    x = 268,631,162.18/18,485.18
  6. Step 6: Final answer
    x = 14,532.24

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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.