Home / 13,702.35-20,581.58-9,029.06

Finding the Fourth Proportional to 13,702.35, 20,581.58 and 9,029.06

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Solution

The fourth proportional to 13,702.35, 20,581.58 and 9,029.06 is: 13,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,702.35 : 20,581.58 = 9,029.06 : x
  2. Step 2: Convert to fraction form
    13,702.35/20,581.58 = 9,029.06/x
  3. Step 3: Cross multiply
    13,702.35x = 20,581.58 × 9,029.06
  4. Step 4: Simplify right side
    13,702.35x = 185,832,320.71
  5. Step 5: Solve for x
    x = 185,832,320.71/13,702.35
  6. Step 6: Final answer
    x = 13,562.08

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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.