Home / 15,563.94-23,311.59-12,864.87

Finding the Fourth Proportional to 15,563.94, 23,311.59 and 12,864.87

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Solution

The fourth proportional to 15,563.94, 23,311.59 and 12,864.87 is: 19,268.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,563.94 : 23,311.59 = 12,864.87 : x
  2. Step 2: Convert to fraction form
    15,563.94/23,311.59 = 12,864.87/x
  3. Step 3: Cross multiply
    15,563.94x = 23,311.59 × 12,864.87
  4. Step 4: Simplify right side
    15,563.94x = 299,900,574.84
  5. Step 5: Solve for x
    x = 299,900,574.84/15,563.94
  6. Step 6: Final answer
    x = 19,268.94

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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.