Home / 18,631.08-25,711.00-10,133.30

Finding the Fourth Proportional to 18,631.08, 25,711.00 and 10,133.30

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Solution

The fourth proportional to 18,631.08, 25,711.00 and 10,133.30 is: 13,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,631.08 : 25,711.00 = 10,133.30 : x
  2. Step 2: Convert to fraction form
    18,631.08/25,711.00 = 10,133.30/x
  3. Step 3: Cross multiply
    18,631.08x = 25,711.00 × 10,133.30
  4. Step 4: Simplify right side
    18,631.08x = 260,537,315.24
  5. Step 5: Solve for x
    x = 260,537,315.24/18,631.08
  6. Step 6: Final answer
    x = 13,984.02

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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.