Home / 18,961.29-28,445.31-6,482.70

Finding the Fourth Proportional to 18,961.29, 28,445.31 and 6,482.70

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Solution

The fourth proportional to 18,961.29, 28,445.31 and 6,482.70 is: 9,725.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.29 : 28,445.31 = 6,482.70 : x
  2. Step 2: Convert to fraction form
    18,961.29/28,445.31 = 6,482.70/x
  3. Step 3: Cross multiply
    18,961.29x = 28,445.31 × 6,482.70
  4. Step 4: Simplify right side
    18,961.29x = 184,402,411.14
  5. Step 5: Solve for x
    x = 184,402,411.14/18,961.29
  6. Step 6: Final answer
    x = 9,725.20

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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.