Home / 18,985.04-26,173-16,360.40

Finding the Fourth Proportional to 18,985.04, 26,173 and 16,360.40

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Solution

The fourth proportional to 18,985.04, 26,173 and 16,360.40 is: 22,554.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,985.04 : 26,173 = 16,360.40 : x
  2. Step 2: Convert to fraction form
    18,985.04/26,173 = 16,360.40/x
  3. Step 3: Cross multiply
    18,985.04x = 26,173 × 16,360.40
  4. Step 4: Simplify right side
    18,985.04x = 428,200,749.20
  5. Step 5: Solve for x
    x = 428,200,749.20/18,985.04
  6. Step 6: Final answer
    x = 22,554.64

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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.