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Finding the Fourth Proportional to 13,482.59, 20,208.08 and 9,030.83

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Solution

The fourth proportional to 13,482.59, 20,208.08 and 9,030.83 is: 13,535.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,482.59 : 20,208.08 = 9,030.83 : x
  2. Step 2: Convert to fraction form
    13,482.59/20,208.08 = 9,030.83/x
  3. Step 3: Cross multiply
    13,482.59x = 20,208.08 × 9,030.83
  4. Step 4: Simplify right side
    13,482.59x = 182,495,656.64
  5. Step 5: Solve for x
    x = 182,495,656.64/13,482.59
  6. Step 6: Final answer
    x = 13,535.66

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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.