Home / 15,643.02-23,464.72-5,112.96

Finding the Fourth Proportional to 15,643.02, 23,464.72 and 5,112.96

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Solution

The fourth proportional to 15,643.02, 23,464.72 and 5,112.96 is: 7,669.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.02 : 23,464.72 = 5,112.96 : x
  2. Step 2: Convert to fraction form
    15,643.02/23,464.72 = 5,112.96/x
  3. Step 3: Cross multiply
    15,643.02x = 23,464.72 × 5,112.96
  4. Step 4: Simplify right side
    15,643.02x = 119,974,174.77
  5. Step 5: Solve for x
    x = 119,974,174.77/15,643.02
  6. Step 6: Final answer
    x = 7,669.50

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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.