Home / 14,603.22-20,140.38-9,823.68

Finding the Fourth Proportional to 14,603.22, 20,140.38 and 9,823.68

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Solution

The fourth proportional to 14,603.22, 20,140.38 and 9,823.68 is: 13,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,603.22 : 20,140.38 = 9,823.68 : x
  2. Step 2: Convert to fraction form
    14,603.22/20,140.38 = 9,823.68/x
  3. Step 3: Cross multiply
    14,603.22x = 20,140.38 × 9,823.68
  4. Step 4: Simplify right side
    14,603.22x = 197,852,648.20
  5. Step 5: Solve for x
    x = 197,852,648.20/14,603.22
  6. Step 6: Final answer
    x = 13,548.56

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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.