Home / 11,085.40-16,603.80-9,854.20

Finding the Fourth Proportional to 11,085.40, 16,603.80 and 9,854.20

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Solution

The fourth proportional to 11,085.40, 16,603.80 and 9,854.20 is: 14,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,085.40 : 16,603.80 = 9,854.20 : x
  2. Step 2: Convert to fraction form
    11,085.40/16,603.80 = 9,854.20/x
  3. Step 3: Cross multiply
    11,085.40x = 16,603.80 × 9,854.20
  4. Step 4: Simplify right side
    11,085.40x = 163,617,165.96
  5. Step 5: Solve for x
    x = 163,617,165.96/11,085.40
  6. Step 6: Final answer
    x = 14,759.70

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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.