Home / 19,867.02-29,775.18-9,313.76

Finding the Fourth Proportional to 19,867.02, 29,775.18 and 9,313.76

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Solution

The fourth proportional to 19,867.02, 29,775.18 and 9,313.76 is: 13,958.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.02 : 29,775.18 = 9,313.76 : x
  2. Step 2: Convert to fraction form
    19,867.02/29,775.18 = 9,313.76/x
  3. Step 3: Cross multiply
    19,867.02x = 29,775.18 × 9,313.76
  4. Step 4: Simplify right side
    19,867.02x = 277,318,880.48
  5. Step 5: Solve for x
    x = 277,318,880.48/19,867.02
  6. Step 6: Final answer
    x = 13,958.76

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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.