Home / 10,482.08-15,723.50-2,690.87

Finding the Fourth Proportional to 10,482.08, 15,723.50 and 2,690.87

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Solution

The fourth proportional to 10,482.08, 15,723.50 and 2,690.87 is: 4,036.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.08 : 15,723.50 = 2,690.87 : x
  2. Step 2: Convert to fraction form
    10,482.08/15,723.50 = 2,690.87/x
  3. Step 3: Cross multiply
    10,482.08x = 15,723.50 × 2,690.87
  4. Step 4: Simplify right side
    10,482.08x = 42,309,802.37
  5. Step 5: Solve for x
    x = 42,309,802.37/10,482.08
  6. Step 6: Final answer
    x = 4,036.40

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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.