Home / 15,873.66-23,808.57-4,187.76

Finding the Fourth Proportional to 15,873.66, 23,808.57 and 4,187.76

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Solution

The fourth proportional to 15,873.66, 23,808.57 and 4,187.76 is: 6,281.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,873.66 : 23,808.57 = 4,187.76 : x
  2. Step 2: Convert to fraction form
    15,873.66/23,808.57 = 4,187.76/x
  3. Step 3: Cross multiply
    15,873.66x = 23,808.57 × 4,187.76
  4. Step 4: Simplify right side
    15,873.66x = 99,704,577.10
  5. Step 5: Solve for x
    x = 99,704,577.10/15,873.66
  6. Step 6: Final answer
    x = 6,281.13

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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.