Home / 18,490.72-25,519.85-10,533.70

Finding the Fourth Proportional to 18,490.72, 25,519.85 and 10,533.70

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Solution

The fourth proportional to 18,490.72, 25,519.85 and 10,533.70 is: 14,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.72 : 25,519.85 = 10,533.70 : x
  2. Step 2: Convert to fraction form
    18,490.72/25,519.85 = 10,533.70/x
  3. Step 3: Cross multiply
    18,490.72x = 25,519.85 × 10,533.70
  4. Step 4: Simplify right side
    18,490.72x = 268,818,443.95
  5. Step 5: Solve for x
    x = 268,818,443.95/18,490.72
  6. Step 6: Final answer
    x = 14,538.02

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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.