Home / 18,655.06-25,746.21-11,000.07

Finding the Fourth Proportional to 18,655.06, 25,746.21 and 11,000.07

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Solution

The fourth proportional to 18,655.06, 25,746.21 and 11,000.07 is: 15,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.06 : 25,746.21 = 11,000.07 : x
  2. Step 2: Convert to fraction form
    18,655.06/25,746.21 = 11,000.07/x
  3. Step 3: Cross multiply
    18,655.06x = 25,746.21 × 11,000.07
  4. Step 4: Simplify right side
    18,655.06x = 283,209,983.50
  5. Step 5: Solve for x
    x = 283,209,983.50/18,655.06
  6. Step 6: Final answer
    x = 15,181.40

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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.