Home / 14,603.26-21,920.48-6,287.40

Finding the Fourth Proportional to 14,603.26, 21,920.48 and 6,287.40

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Solution

The fourth proportional to 14,603.26, 21,920.48 and 6,287.40 is: 9,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.26 : 21,920.48 = 6,287.40 : x
  2. Step 2: Convert to fraction form
    14,603.26/21,920.48 = 6,287.40/x
  3. Step 3: Cross multiply
    14,603.26x = 21,920.48 × 6,287.40
  4. Step 4: Simplify right side
    14,603.26x = 137,822,825.95
  5. Step 5: Solve for x
    x = 137,822,825.95/14,603.26
  6. Step 6: Final answer
    x = 9,437.81

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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.