Home / 17,720.66-26,572.65-6,624.40

Finding the Fourth Proportional to 17,720.66, 26,572.65 and 6,624.40

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Solution

The fourth proportional to 17,720.66, 26,572.65 and 6,624.40 is: 9,933.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,720.66 : 26,572.65 = 6,624.40 : x
  2. Step 2: Convert to fraction form
    17,720.66/26,572.65 = 6,624.40/x
  3. Step 3: Cross multiply
    17,720.66x = 26,572.65 × 6,624.40
  4. Step 4: Simplify right side
    17,720.66x = 176,027,862.66
  5. Step 5: Solve for x
    x = 176,027,862.66/17,720.66
  6. Step 6: Final answer
    x = 9,933.48

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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.