Home / 18,528.13-27,807.18-14,358.25

Finding the Fourth Proportional to 18,528.13, 27,807.18 and 14,358.25

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Solution

The fourth proportional to 18,528.13, 27,807.18 and 14,358.25 is: 21,548.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,528.13 : 27,807.18 = 14,358.25 : x
  2. Step 2: Convert to fraction form
    18,528.13/27,807.18 = 14,358.25/x
  3. Step 3: Cross multiply
    18,528.13x = 27,807.18 × 14,358.25
  4. Step 4: Simplify right side
    18,528.13x = 399,262,442.24
  5. Step 5: Solve for x
    x = 399,262,442.24/18,528.13
  6. Step 6: Final answer
    x = 21,548.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.