Home / 15,533.42-23,300.40-5,145.44

Finding the Fourth Proportional to 15,533.42, 23,300.40 and 5,145.44

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Solution

The fourth proportional to 15,533.42, 23,300.40 and 5,145.44 is: 7,718.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,533.42 : 23,300.40 = 5,145.44 : x
  2. Step 2: Convert to fraction form
    15,533.42/23,300.40 = 5,145.44/x
  3. Step 3: Cross multiply
    15,533.42x = 23,300.40 × 5,145.44
  4. Step 4: Simplify right side
    15,533.42x = 119,890,810.18
  5. Step 5: Solve for x
    x = 119,890,810.18/15,533.42
  6. Step 6: Final answer
    x = 7,718.25

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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.