Home / 22,281.10-33,421.65-13,986.70

Finding the Fourth Proportional to 22,281.10, 33,421.65 and 13,986.70

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Solution

The fourth proportional to 22,281.10, 33,421.65 and 13,986.70 is: 20,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,281.10 : 33,421.65 = 13,986.70 : x
  2. Step 2: Convert to fraction form
    22,281.10/33,421.65 = 13,986.70/x
  3. Step 3: Cross multiply
    22,281.10x = 33,421.65 × 13,986.70
  4. Step 4: Simplify right side
    22,281.10x = 467,458,592.06
  5. Step 5: Solve for x
    x = 467,458,592.06/22,281.10
  6. Step 6: Final answer
    x = 20,980.05

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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.