Home / 14,718.80-22,017.45-13,421.18

Finding the Fourth Proportional to 14,718.80, 22,017.45 and 13,421.18

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Solution

The fourth proportional to 14,718.80, 22,017.45 and 13,421.18 is: 20,076.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,718.80 : 22,017.45 = 13,421.18 : x
  2. Step 2: Convert to fraction form
    14,718.80/22,017.45 = 13,421.18/x
  3. Step 3: Cross multiply
    14,718.80x = 22,017.45 × 13,421.18
  4. Step 4: Simplify right side
    14,718.80x = 295,500,159.59
  5. Step 5: Solve for x
    x = 295,500,159.59/14,718.80
  6. Step 6: Final answer
    x = 20,076.38

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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.