Home / 14,615.23-20,074.81-14,335.04

Finding the Fourth Proportional to 14,615.23, 20,074.81 and 14,335.04

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Solution

The fourth proportional to 14,615.23, 20,074.81 and 14,335.04 is: 19,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,615.23 : 20,074.81 = 14,335.04 : x
  2. Step 2: Convert to fraction form
    14,615.23/20,074.81 = 14,335.04/x
  3. Step 3: Cross multiply
    14,615.23x = 20,074.81 × 14,335.04
  4. Step 4: Simplify right side
    14,615.23x = 287,773,132.67
  5. Step 5: Solve for x
    x = 287,773,132.67/14,615.23
  6. Step 6: Final answer
    x = 19,689.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.