Home / 15,533.98-23,300.42-5,145.64

Finding the Fourth Proportional to 15,533.98, 23,300.42 and 5,145.64

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Solution

The fourth proportional to 15,533.98, 23,300.42 and 5,145.64 is: 7,718.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.98 : 23,300.42 = 5,145.64 : x
  2. Step 2: Convert to fraction form
    15,533.98/23,300.42 = 5,145.64/x
  3. Step 3: Cross multiply
    15,533.98x = 23,300.42 × 5,145.64
  4. Step 4: Simplify right side
    15,533.98x = 119,895,573.17
  5. Step 5: Solve for x
    x = 119,895,573.17/15,533.98
  6. Step 6: Final answer
    x = 7,718.28

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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.